CN106188408A - High transparent high resiliency lucite and preparation method thereof - Google Patents
High transparent high resiliency lucite and preparation method thereof Download PDFInfo
- Publication number
- CN106188408A CN106188408A CN201610639598.8A CN201610639598A CN106188408A CN 106188408 A CN106188408 A CN 106188408A CN 201610639598 A CN201610639598 A CN 201610639598A CN 106188408 A CN106188408 A CN 106188408A
- Authority
- CN
- China
- Prior art keywords
- lucite
- parts
- ester
- mould
- pond
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 80
- 229920005479 Lucite® Polymers 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 46
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 29
- -1 acrylic acid glycol ester Chemical class 0.000 claims abstract description 26
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002671 adjuvant Substances 0.000 claims abstract description 22
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims abstract description 22
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 claims abstract description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 21
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004615 ingredient Substances 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 20
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 20
- GNOIPBMMFNIUFM-UHFFFAOYSA-N hexamethylphosphoric triamide Chemical compound CN(C)P(=O)(N(C)C)N(C)C GNOIPBMMFNIUFM-UHFFFAOYSA-N 0.000 claims abstract description 19
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 15
- 238000009835 boiling Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 6
- 150000001336 alkenes Chemical class 0.000 claims description 5
- 238000007654 immersion Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 239000003643 water by type Substances 0.000 claims description 5
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 4
- 239000003463 adsorbent Substances 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000004513 sizing Methods 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- DMSZORWOGDLWGN-UHFFFAOYSA-N ctk1a3526 Chemical compound NP(N)(N)=O DMSZORWOGDLWGN-UHFFFAOYSA-N 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000035935 pregnancy Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- FAVWXKQADKRESO-UHFFFAOYSA-N 2-methylprop-2-enoic acid;prop-1-ene Chemical group CC=C.CC(=C)C(O)=O FAVWXKQADKRESO-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229910003978 SiClx Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/04—Azo-compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/5399—Phosphorus bound to nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/327—Aluminium phosphate
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses high transparent high resiliency lucite and preparation method thereof, lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015 0.02 parts, azodiisobutyronitrile 25 30 parts, carborundum 0.5 0.8 parts, HMPA 0.5 1 parts, allyl methacrylate 0.5 0.8 parts, di-ester-base acrylic acid glycol ester 0.5 0.8 parts, 0.5 1 parts of polymer phosphate aluminum;Method includes 1) proportioning raw materials;2) pretreatment;3) after-treatment;4) mould is filled;5) low temperature polymerization;6) high temperature polymerization;7) cooling demoulding;8) adsorbing separation;Changing original formula on raw material of the present invention, add new adjuvant and make its thermostability, wearability, the transparency strengthen, and substantially increase precision in lucite preparation process by the method for the present invention, its reaction is more complete, thoroughly.
Description
Technical field
The present invention relates to a kind of lucite, particularly relate to high transparent high resiliency lucite and preparation method thereof.
Background technology
Lucite (Polymethyl methacrylate) is a kind of popular title, is abbreviated as PMMA.This high score
The chemical name of sub-transparent material, polymethyl methacrylate, is by the macromolecule chemical combination of methyl methacrylate polymerization
Thing.It it is the most important thermoplastic of a kind of exploitation.Lucite is divided into water white transparency, colored transparent, pearly-lustre, and embossing is organic
Four kinds of glass.Lucite is commonly called as acrylic, middle a surname's acryl, sub-Gree, and lucite has the preferable transparency, chemistry surely
Qualitative, mechanical property and weatherability, easy dyeing, easily process, the advantage such as attractive appearance.
The method manufacturing lucite in prior art is numerous, but it is transparent for the lucite prepared of traditional method
The performance such as property, elasticity, wearability is the most relatively low, and its function will fail in use for some time, prepared by especially prior art
Lucite the most coarse, fine not, and thermostability is poor, easily produces thermal deformation, and thermostability is poor will be serious
Affect the service life of lucite, and existing preparation method can not more accurately detect the journey of glass board material molding
Degree, causes the demoulding to complete effect bad, and can not realize polyreaction when low temperature polymerization faster, and this polyplant
The most relatively elaborate, safety is low.
Summary of the invention
For the problem of above-mentioned existence, it is desirable to provide high transparent high resiliency lucite and preparation method thereof,
Change original formula on raw material of the present invention, add new adjuvant and make its thermostability, wearability, the transparency strengthen, and by this
The method of invention substantially increases precision in lucite preparation process, and its reaction is more complete, thoroughly, and low temperature polymerization and high temperature
Polymerization more improves its end product quality, and uses effective detection method the demoulding can be checked fast and accurately the most thorough
The end, completes, and the detection of this step directly affects outward appearance and the quality of its finished product.
To achieve these goals, the technical solution adopted in the present invention is as follows:
High transparent high resiliency lucite, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate
1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015-0.02 part, azodiisobutyronitrile 25-30 part, carborundum 0.5-0.8 part, pregnancy
Base phosphoric triamide 0.5-1 part, allyl methacrylate 0.5-0.8 part, di-ester-base acrylic acid glycol ester 0.5-0.8 part is poly-
Close aluminum phosphate 0.5-1 part.
As preferably, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Auxiliary
Material: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015 part, azodiisobutyronitrile 30 parts, carborundum 0.5 part, HMPA 1 part, methyl-prop
Olefin(e) acid propylene 0.5 part, di-ester-base acrylic acid glycol ester 0.8 part, 0.5 part of polymer phosphate aluminum.
As preferably, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Auxiliary
Material: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.018 part, azodiisobutyronitrile 28 parts, carborundum 0.6 part, HMPA 0.8 part, methyl
Acrylic acid propylene 0.6 part, di-ester-base acrylic acid glycol ester 0.6 part, 0.8 part of polymer phosphate aluminum.
As preferably, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Auxiliary
Material: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.02 part, azodiisobutyronitrile 25 parts, carborundum 0.8 part, HMPA 0.5 part, methyl-prop
Olefin(e) acid propylene 0.8 part, di-ester-base acrylic acid glycol ester 0.5 part, 1 part of polymer phosphate aluminum.
The preparation method of high transparent high resiliency lucite, comprises the following steps:
1) proportioning raw materials: select polymethyl methacrylate 1000 parts as major ingredient according to parts by weight;2,2'-Azobis(2,4-dimethylvaleronitrile)
0.015-0.02 part, azodiisobutyronitrile 25-30 part, carborundum 0.5-0.8 part, HMPA 0.5-1 part, methyl-prop
Olefin(e) acid propylene 0.5-0.8 part, di-ester-base acrylic acid glycol ester 0.5-0.8 part, polymer phosphate aluminum 0.5-1 part as adjuvant,
Standby;
2) pretreatment: inject major ingredient polymethyl methacrylate in heating kettle, interpolation limit, limit is stirred, during heating first
Add allyl methacrylate and di-ester-base acrylic acid glycol ester reaction 5min, add 2,2'-Azobis(2,4-dimethylvaleronitrile) reaction
10min, is subsequently added into carborundum, HMPA reaction 5min, is eventually adding polymer phosphate reactive aluminum 5min, is heated to
After boiling, keep boiling 20-30min, after using viscosity tester to determine that material viscosity reaches 40-60Pa s, cool down standby;
3) after-treatment: at the raw material standby through above-mentioned process, adds azodiisobutyronitrile in a kettle., and interpolation limit, limit is stirred
Mix, and seal stirring 30-40min;
4) mould is filled: the middle product obtained through above-mentioned steps carry out filling mould in lucite particular manufacturing craft, fill mold process and use Asia
Gram force plate sizing device for exerting guarantees that sheet metal thickness is uniform;
5) low temperature polymerization: the mould completed through filling mould is placed in cage car, is transferred cage car to 62 DEG C of thermostatted waters by Hang Diao mechanism
Being totally submerged in pond, Immersion time 3-4h, and carry out low temperature polymerization, the water in pond is changed once for 3-4 days;
6) high temperature polymerization: after above-mentioned steps low temperature polymerization completes, hangs out from pond through cage car, pushes 105-120 DEG C of high temperature
Stove carries out high temperature polymerization, high temperature polymerization time 2-4h;
7) cooling demoulding: after above-mentioned steps high temperature polymerization completes, releases cage car by drying room, is placed in the room temperature of spacious lucifuge
In environment, and coordinate fan for cooling to carry out the demoulding, use detector to insert inspection from the side of mould after temperature is down to room temperature
Test whether the demoulding completes;
8) adsorbing separation: after demoulding completes, is separated into template and mould through acrylic board making adsorbent equipment, takes off molding
Pack after plate, put in storage.
As preferably, described in described step (5) " low temperature polymerization ", pond is square structure, and this pond is by double-layer structure group
Become, including cement layer and the heat-insulation layer of internal layer of outer layer, and fluctuating orbit is set in described pond, in bottom and the side in pond
Heating pipeline is all laid in face, and basin bottom is additionally provided with inlet channel and drainage pipeline, described inlet channel and described drainage pipeline
Between connect water purifier.
As preferably, described fluctuating orbit is four sides frame structure, and every one side is respectively provided with some chutes arranged side by side, each
It is respectively provided with detent mechanism bottom described chute.
As preferably, described cage car is square structure, and the front, rear, left and right of described cage car four sides on be respectively provided with
The pulley that described slide connects.
As preferably, detector is inserted 2cm from mould and web contact face by described step (7) " cooling demoulding " deep,
If can insert, the demoulding of sheet material and mould completes.
As preferably, described detector includes handle portion and fine needle portion, a length of 5-8cm in described fine needle portion, described carefully
The tip dimensions in pin portion is 0.1mm.
The invention has the beneficial effects as follows: compared with prior art, the invention have the advantage that
First, the present invention uses new formula, changes adjuvant, increase 2,2'-Azobis(2,4-dimethylvaleronitrile), azodiisobutyronitrile, carbon in this formula
SiClx, HMPA, allyl methacrylate, di-ester-base acrylic acid glycol ester, polymer phosphate aluminum, these adjuvants
Can be good at realizing its function by pretreatment and after-treatment, and the addition of above-mentioned adjuvant substantially increases lucite
Performance so that it is more heat-resisting, wear-resisting, and hardness improve, transparency improve, extend its actual life, improve finished product
Quality;
Its two, the pond of low temperature polymerization is improved by the present invention, and one is can be time saving and energy saving, stops potential safety hazard, but protects
Temp effect is good, and the uniformity of water temperature is high, and Inlet and outlet water is convenient, and is capable of water quality by water purifier and recycles, and saves
Resource-saving, environmental protection;
Its three, completing in order to ensure the demoulding, the present invention is detected by detector, and the precision of this detector detection is high, speed
Degree is fast, and detection device is simple, low cost.
Accompanying drawing explanation
Fig. 1 is schematic top plan view of the present invention.
Fig. 2 is present invention pond sectional view when being not provided with fluctuating orbit.
Wherein: 1-pond, 2-fluctuating orbit, 3-chute, 4-detent mechanism, 5-adds hot channel, 6-inlet channel, 7-draining
Pipeline, 8-water purifier, 9-heat-insulation layer, 10-cement layer.
Detailed description of the invention
In order to make those of ordinary skill in the art be better understood on technical scheme, below in conjunction with the accompanying drawings and
Technical scheme is further described by embodiment.
Embodiment 1: high transparent high resiliency lucite, described lucite includes major ingredient according to parts by weight: poly-first
Base acrylic acid methyl ester. 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015 part, azodiisobutyronitrile 30 parts, carborundum 0.5 part, pregnancy
Base phosphoric triamide 1 part, allyl methacrylate 0.5 part, di-ester-base acrylic acid glycol ester 0.8 part, polymer phosphate aluminum 0.5
Part.
The preparation method of high transparent high resiliency lucite, comprises the following steps:
1) proportioning raw materials: lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Adjuvant: azo
Two different heptonitriles 0.015 part, azodiisobutyronitrile 30 parts, carborundum 0.5 part, HMPA 1 part, metering system acid propylene
Ester 0.5 part, di-ester-base acrylic acid glycol ester 0.8 part, 0.5 part of polymer phosphate aluminum, standby;
2) pretreatment: inject major ingredient polymethyl methacrylate in heating kettle, interpolation limit, limit is stirred, during heating first
Add allyl methacrylate and di-ester-base acrylic acid glycol ester reaction 5min, by polymethyl methacrylate and methyl-prop
Olefin(e) acid propylene, the method for di-ester-base acrylic acid glycol ester copolymerization improve thermostability;Add 2,2'-Azobis(2,4-dimethylvaleronitrile) reaction
10min, is subsequently added into carborundum, HMPA reaction 5min, is eventually adding polymer phosphate reactive aluminum 5min, and with steaming
Vapour adds hot charge extremely boiling, and steam heating is separately to set a heating room, and in heating room, heating obtains steam, and steam is transported by pipeline
Transport to heating kettle and carry out isolation heating;After being heated to boiling, keep boiling 20min, use viscosity tester to determine material viscosity
After reaching 40Pa s, cool down standby, this step adds 2,2'-Azobis(2,4-dimethylvaleronitrile), and it is carried out copolymerization with other several adjuvants mixes
Closing reaction, its effect is more preferable, because 2,2'-Azobis(2,4-dimethylvaleronitrile) is mainly used in polymerisation in bulk, suspension polymerisation and polymerisation in solution, passes through azo
Two different heptonitriles can make the adjuvants such as wearability, thermostability and solidification preferably be polymerized, and the middle moral character matter of formation is more
Stable;
3) after-treatment: at the raw material standby through above-mentioned process, adds azodiisobutyronitrile in a kettle., and interpolation limit, limit is stirred
Mix, and seal stirring 30-40min;In this step, azodiisobutyronitrile is used separately with 2,2'-Azobis(2,4-dimethylvaleronitrile), and in order to reduce
Toxicity after lucite production, and prevent from producing harmful thing when azodiisobutyronitrile and the common hybrid reaction of other dispensings
Matter, therefore individually process it, to separate treatment effect more preferable with other adjuvants;
4) mould is filled: the middle product obtained through above-mentioned steps carry out filling mould in lucite particular manufacturing craft, fill mold process and use Asia
Gram force plate sizing device for exerting guarantees that sheet metal thickness is uniform;
The acrylic board sizing device for exerting that this step is used: including control station, pressing plate and pulsometer, pressing plate is mounted on
The underface of control station, is connected between control station with pressing plate and has fixing bar, and pressing plate is rectangular structure, sets in the bottom of pressing plate
Being equipped with extruded layer, be also respectively provided with at the two ends of pressing plate and be provided with pulsometer, pulsometer is fixedly mounted on the two ends of control station,
The bottom of pulsometer is provided with sucker;Being more than prior art, this equipment first passes through pressing plate work when and squeezes needs
The glass board material of pressure presses, more fragile, therefore at pressing plate at the molding initial stage due to glass board material pressure when
Bottom is provided with extruded layer, so can largely buffer the pressing plate damage to glass board material, simultaneously at the two ends of pressing plate
Being also equipped with pulsometer, the end of pulsometer is also equipped with sucker, so need acrylic board is carried out absorption promotes time
Acrylic board can be adsorbed by the effect of the sucker at two ends and pulsometer and be carried out suitable lifting by time, so operates
Just seem very convenient laborsaving, fill the good evenness of mould;
5) low temperature polymerization: the mould completed through filling mould is placed in cage car, is transferred cage car to 62 DEG C of thermostatted waters by Hang Diao mechanism
Being totally submerged in pond, Immersion time 3h, and carry out low temperature polymerization, the water in pond is changed once for 3-4 days;
1-2 referring to the drawings, described pond is square structure, and this pond 1 is made up of double-layer structure, including cement layer 10 He of outer layer
The heat-insulation layer 9 of internal layer, and fluctuating orbit 2 is set in described pond 1, all lay heating pipeline in bottom and the side in pond 1
5, it is additionally provided with inlet channel 6 and drainage pipeline 7 bottom pond 1, between described inlet channel 6 with described drainage pipeline 7, is connected water
Matter depurator 8;Described fluctuating orbit 2 is four sides frame structure, and every one side is respectively provided with some chutes 3 arranged side by side, each described
Being respectively provided with detent mechanism 4 bottom chute 3, described detent mechanism 4 is positioned at the top adding hot channel 5, inlet channel 6 and drainage pipeline
7 are arranged at adding the lower position of hot channel 5, and described cage car is square structure, and in the front, rear, left and right four of described cage car
The pulley being slidably connected with described chute 3 it is respectively provided with on face;
First, before low temperature polymerization, by Hang Diao mechanism, cage car is hung to directly over pond 1, then transfer, transfer after putting in place logical
Cross location-plate location, by the guiding slip effect of chute 3 with pulley during transferring, it is possible to more safe and accurate
Entering in the zone of convergency, in pond 1, opening is additionally provided with insulation lid, covers during polymerization, prevents the impurity such as dust from entering water
In matter, when needing to change water quality, through drainage pipeline 7, water being discharged into purification in water purifier 8, the water purified leads to once more
Cross inlet channel 6 to enter in pond 1, recycle, save resource, environmental protection;
6) high temperature polymerization: after above-mentioned steps low temperature polymerization completes, hangs out from pond through cage car, pushes in 105 DEG C of high temperature furnaces
Carrying out high temperature polymerization, high temperature polymerization time 2h, by gathering that the temperature in control high temperature furnace, drying room wind speed discharge in time discharge
Closing thermal conditioning polymerization speed makes polymerization uniform;
7) cooling demoulding: after above-mentioned steps high temperature polymerization completes, releases cage car by drying room, is placed in the room temperature of spacious lucifuge
In environment, and coordinate fan for cooling to carry out the demoulding, use detector to insert inspection from the side of mould after temperature is down to room temperature
Test whether the demoulding completes;Described detector includes handle portion and fine needle portion, a length of 5-8cm in described fine needle portion, described fine needle
The tip dimensions in portion is 0.1mm, specifically from mould and web contact face, detector is inserted 2cm deep, if can insert, sheet material
Complete with the mould demoulding, the performance of the demoulding detected by above-mentioned simple structures and methods more fast and accurately,
Ensure completing of following process more accurately, reduce the generation of substandard products, if demoulding detection existing problems, then can cause follow-up
Separation in separate thorough, and affect the finishing operations such as follow-up cutting;
8) adsorbing separation: after demoulding completes, is separated into template and mould through acrylic board making adsorbent equipment, takes off molding
Pack after plate, put in storage;
Acrylic board making adsorbent equipment: include lifter plate, adjustable plate and suction tray composition, be provided with regulation below lifter plate
Plate, between adjustable plate and lifter plate, installation settings has elevating lever, adjustable plate to be fixed by elevating lever, installs below adjustable plate
Being provided with suction tray, be provided with air-leg between suction tray and adjustable plate, the side at suction tray is connected and installed with trachea, trachea
Being connected on gas pipeline, gas pipeline is arranged on the lower section of adjustable plate;It is more than prior art, first gas transmission when of work
Air-flow is transported in suction tray by pipeline by trachea, then changes pressure by the way of air-breathing and is adsorbed by dieplate, this
Time can start adjustable plate or lifter plate to complete lifting operation, control as required that our only need the most for convenience
To carry out small lifting operation by the lifting of adjustable plate, and to need sometimes jointly to be joined by lifter plate and adjustable plate
Close and just can complete the operation to dieplate.
The yield rate of the lucite prepared by embodiment 1 reaches 98%.
Embodiment 2: as different from Example 1:
High transparent high resiliency lucite, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate
1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.018 part, azodiisobutyronitrile 28 parts, carborundum 0.6 part, HMPA
0.8 part, allyl methacrylate 0.6 part, di-ester-base acrylic acid glycol ester 0.6 part, 0.8 part of polymer phosphate aluminum.
The preparation method of high transparent high resiliency lucite, comprises the following steps:
1) proportioning raw materials: lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Adjuvant: azo
Two different heptonitriles 0.018 part, azodiisobutyronitrile 28 parts, carborundum 0.6 part, HMPA 0.8 part, methacrylic acid third
Alkene ester 0.6 part, di-ester-base acrylic acid glycol ester 0.6 part, 0.8 part of polymer phosphate aluminum, standby;
2) pretreatment: after being heated to boiling, keeps boiling 25min, uses viscosity tester to determine that material viscosity reaches 50Pa s
After, cool down standby;
5) low temperature polymerization: the mould completed through filling mould is placed in cage car, is transferred cage car to 62 DEG C of thermostatted waters by Hang Diao mechanism
Being totally submerged in pond, Immersion time 3.5h, and carry out low temperature polymerization, the water in pond is changed once for 3-4 days;
6) high temperature polymerization: after above-mentioned steps low temperature polymerization completes, hangs out from pond through cage car, pushes in 112 DEG C of high temperature furnaces
Carry out high temperature polymerization, high temperature polymerization time 3h.
The yield rate of the lucite prepared by embodiment 2 is 98%.
Embodiment 3: as different from Example 1:
High transparent high resiliency lucite, described lucite includes major ingredient according to parts by weight: polymethyl methacrylate
1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.02 part, azodiisobutyronitrile 25 parts, carborundum 0.8 part, HMPA 0.5
Part, allyl methacrylate 0.8 part, di-ester-base acrylic acid glycol ester 0.5 part, 1 part of polymer phosphate aluminum.
The preparation method of high transparent high resiliency lucite, comprises the following steps:
1) proportioning raw materials: lucite includes major ingredient according to parts by weight: polymethyl methacrylate 1000 parts;Adjuvant: azo
Two different heptonitriles 0.02 part, azodiisobutyronitrile 25 parts, carborundum 0.8 part, HMPA 0.5 part, methacrylic acid third
Alkene ester 0.8 part, di-ester-base acrylic acid glycol ester 0.5 part, 1 part of polymer phosphate aluminum, standby;
2) pretreatment: after being heated to boiling, keeps boiling 30min, uses viscosity tester to determine that material viscosity reaches 60Pa s
After, cool down standby;
5) low temperature polymerization: the mould completed through filling mould is placed in cage car, is transferred cage car to 62 DEG C of thermostatted waters by Hang Diao mechanism
Being totally submerged in pond, Immersion time 4h, and carry out low temperature polymerization, the water in pond is changed once for 3-4 days;
6) high temperature polymerization: after above-mentioned steps low temperature polymerization completes, hangs out from pond through cage car, pushes in 120 DEG C of high temperature furnaces
Carry out high temperature polymerization, high temperature polymerization time 4h;
The yield rate of the lucite prepared by embodiment 3 reaches 99%.
Table one is the examining report of lucite of the present invention
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technical staff of the industry
It should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description, the present invention is simply described
Principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these change and
Improvement both falls within scope of the claimed invention.Claimed scope is by appending claims and equivalence thereof
Thing defines.
Claims (10)
1. high transparent high resiliency lucite, it is characterised in that described lucite includes major ingredient according to parts by weight: poly-first
Base acrylic acid methyl ester. 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015-0.02 part, azodiisobutyronitrile 25-30 part, carborundum
0.5-0.8 part, HMPA 0.5-1 part, allyl methacrylate 0.5-0.8 part, di-ester-base acrylic acid ethylene glycol
Ester 0.5-0.8 part, polymer phosphate aluminum 0.5-1 part.
High transparent high resiliency lucite the most according to claim 1, it is characterised in that: described lucite is according to weight
Amount number includes major ingredient: polymethyl methacrylate 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.015 part, azodiisobutyronitrile 30
Part, carborundum 0.5 part, HMPA 1 part, allyl methacrylate 0.5 part, di-ester-base acrylic acid glycol ester
0.8 part, 0.5 part of polymer phosphate aluminum.
High transparent high resiliency lucite the most according to claim 1, it is characterised in that: described lucite is according to weight
Amount number includes major ingredient: polymethyl methacrylate 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.018 part, azodiisobutyronitrile 28
Part, carborundum 0.6 part, HMPA 0.8 part, allyl methacrylate 0.6 part, di-ester-base acrylic acid glycol ester
0.6 part, 0.8 part of polymer phosphate aluminum.
High transparent high resiliency lucite the most according to claim 1, it is characterised in that: described lucite is according to weight
Amount number includes major ingredient: polymethyl methacrylate 1000 parts;Adjuvant: 2,2'-Azobis(2,4-dimethylvaleronitrile) 0.02 part, azodiisobutyronitrile 25
Part, carborundum 0.8 part, HMPA 0.5 part, allyl methacrylate 0.8 part, di-ester-base acrylic acid glycol ester
0.5 part, 1 part of polymer phosphate aluminum.
5. the preparation method of high transparent high resiliency lucite, it is characterised in that comprise the following steps:
1) proportioning raw materials: select polymethyl methacrylate 1000 parts as major ingredient according to parts by weight;2,2'-Azobis(2,4-dimethylvaleronitrile)
0.015-0.02 part, azodiisobutyronitrile 25-30 part, carborundum 0.5-0.8 part, HMPA 0.5-1 part, methyl-prop
Olefin(e) acid propylene 0.5-0.8 part, di-ester-base acrylic acid glycol ester 0.5-0.8 part, polymer phosphate aluminum 0.5-1 part as adjuvant,
Standby;
2) pretreatment: inject major ingredient polymethyl methacrylate in heating kettle, interpolation limit, limit is stirred, during heating first
Add allyl methacrylate and di-ester-base acrylic acid glycol ester reaction 5min, add 2,2'-Azobis(2,4-dimethylvaleronitrile) reaction
10min, is subsequently added into carborundum, HMPA reaction 5min, is eventually adding polymer phosphate reactive aluminum 5min, is heated to
After boiling, keep boiling 20-30min, after using viscosity tester to determine that material viscosity reaches 40-60Pa s, cool down standby;
3) after-treatment: at the raw material standby through above-mentioned process, adds azodiisobutyronitrile in a kettle., and interpolation limit, limit is stirred
Mix, and seal stirring 30-40min;
4) mould is filled: the middle product obtained through above-mentioned steps carry out filling mould in lucite particular manufacturing craft, fill mold process and use Asia
Gram force plate sizing device for exerting guarantees that sheet metal thickness is uniform;
5) low temperature polymerization: the mould completed through filling mould is placed in cage car, is transferred cage car to 62 DEG C of thermostatted waters by Hang Diao mechanism
Being totally submerged in pond, Immersion time 3-4h, and carry out low temperature polymerization, the water in pond is changed once for 3-4 days;
6) high temperature polymerization: after above-mentioned steps low temperature polymerization completes, hangs out from pond through cage car, pushes 105-120 DEG C of high temperature
Stove carries out high temperature polymerization, high temperature polymerization time 2-4h;
7) cooling demoulding: after above-mentioned steps high temperature polymerization completes, releases cage car by drying room, is placed in the room temperature of spacious lucifuge
In environment, and coordinate fan for cooling to carry out the demoulding, use detector to insert inspection from the side of mould after temperature is down to room temperature
Test whether the demoulding completes;
8) adsorbing separation: after demoulding completes, is separated into template and mould through acrylic board making adsorbent equipment, takes off molding
Pack after plate, put in storage.
The preparation method of high transparent high resiliency lucite the most according to claim 5, it is characterised in that described step
(5) pond described in " low temperature polymerization " is square structure, and this pond is made up of double-layer structure, including cement layer and the internal layer of outer layer
Heat-insulation layer, and fluctuating orbit is set in described pond, all lays heating pipeline, basin bottom in bottom and the side in pond
It is additionally provided with inlet channel and drainage pipeline, between described inlet channel with described drainage pipeline, is connected water purifier.
The preparation method of high transparent high resiliency lucite the most according to claim 6, it is characterised in that described lifting
Track is four sides frame structure, every one side is respectively provided with some chutes arranged side by side, is respectively provided with localization machine bottom each described chute
Structure.
The preparation method of high transparent high resiliency lucite the most according to claim 7, it is characterised in that described cage car
For square structure, and it is respectively provided with, on four sides, the front, rear, left and right of described cage car, the pulley being connected with described slide.
The preparation method of high transparent high resiliency lucite the most according to claim 5, it is characterised in that described step
(7) detector is inserted 2cm from mould and web contact face by " cooling demoulding " deep, if can insert, sheet material and the mould demoulding
Complete.
The preparation method of high transparent high resiliency lucite the most according to claim 9, it is characterised in that described inspection
Surveying device and include handle portion and fine needle portion, a length of 5-8cm in described fine needle portion, the tip dimensions in described fine needle portion is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639598.8A CN106188408A (en) | 2016-08-05 | 2016-08-05 | High transparent high resiliency lucite and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639598.8A CN106188408A (en) | 2016-08-05 | 2016-08-05 | High transparent high resiliency lucite and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106188408A true CN106188408A (en) | 2016-12-07 |
Family
ID=57513780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639598.8A Pending CN106188408A (en) | 2016-08-05 | 2016-08-05 | High transparent high resiliency lucite and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106188408A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107793508A (en) * | 2017-11-10 | 2018-03-13 | 安徽新涛光电科技有限公司 | A kind of preparation method of lucite |
| CN116463025A (en) * | 2023-04-23 | 2023-07-21 | 一道新能源科技(衢州)有限公司 | Solar cell cover plate glass with good light transmittance and preparation process thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001019885A1 (en) * | 1999-09-13 | 2001-03-22 | Norsk Hydro Asa | Single stage seed polymerisation for the production of large polymer particles with a narrow size distribution |
| CN2709402Y (en) * | 2004-07-19 | 2005-07-13 | 周沛凝 | Microcomputer overload protection device for building construction elevator |
| US20080161498A1 (en) * | 2006-12-28 | 2008-07-03 | Industrial Technology Research Institute | Polypropylene derivatives and preparation thereof |
| CN202133090U (en) * | 2011-06-09 | 2012-02-01 | 蚌埠雷诺节能技术有限责任公司 | Water-bath heating device |
| CN202369333U (en) * | 2011-12-26 | 2012-08-08 | 济南华北升降平台制造有限公司 | Wall mounting elevator |
| CN203683009U (en) * | 2013-12-12 | 2014-07-02 | 苏州鑫叶自动化设备系统有限公司 | Rinsing elevator |
| CN105294959A (en) * | 2015-07-31 | 2016-02-03 | 泰山玻璃纤维有限公司 | Preparation method of anti-static organic glass |
| CN105647095A (en) * | 2014-11-12 | 2016-06-08 | 河南工业大学 | Environment-friendly, low-density and super-strength organic glass |
-
2016
- 2016-08-05 CN CN201610639598.8A patent/CN106188408A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001019885A1 (en) * | 1999-09-13 | 2001-03-22 | Norsk Hydro Asa | Single stage seed polymerisation for the production of large polymer particles with a narrow size distribution |
| CN2709402Y (en) * | 2004-07-19 | 2005-07-13 | 周沛凝 | Microcomputer overload protection device for building construction elevator |
| US20080161498A1 (en) * | 2006-12-28 | 2008-07-03 | Industrial Technology Research Institute | Polypropylene derivatives and preparation thereof |
| CN202133090U (en) * | 2011-06-09 | 2012-02-01 | 蚌埠雷诺节能技术有限责任公司 | Water-bath heating device |
| CN202369333U (en) * | 2011-12-26 | 2012-08-08 | 济南华北升降平台制造有限公司 | Wall mounting elevator |
| CN203683009U (en) * | 2013-12-12 | 2014-07-02 | 苏州鑫叶自动化设备系统有限公司 | Rinsing elevator |
| CN105647095A (en) * | 2014-11-12 | 2016-06-08 | 河南工业大学 | Environment-friendly, low-density and super-strength organic glass |
| CN105294959A (en) * | 2015-07-31 | 2016-02-03 | 泰山玻璃纤维有限公司 | Preparation method of anti-static organic glass |
Non-Patent Citations (2)
| Title |
|---|
| 何冰晶,等: "《综合实验B》", 31 August 2013, 浙江大学出版社 * |
| 姚其槐,等: "《精密机械工程学》", 30 November 2015, 机械工业出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107793508A (en) * | 2017-11-10 | 2018-03-13 | 安徽新涛光电科技有限公司 | A kind of preparation method of lucite |
| CN116463025A (en) * | 2023-04-23 | 2023-07-21 | 一道新能源科技(衢州)有限公司 | Solar cell cover plate glass with good light transmittance and preparation process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10844149B2 (en) | Ethylene and butadiene copolymer having a homogeneous microstructure | |
| CN109370065B (en) | Rubber compound for automobile sealing strip continuously mixed by one-step method and preparation method thereof | |
| CN102942762A (en) | Low shrinkage sheet or bulk molding compound and preparation method thereof | |
| CN106188408A (en) | High transparent high resiliency lucite and preparation method thereof | |
| CN109666447A (en) | A kind of single-component dealcoholization-type silicone rubber sealant and preparation method thereof | |
| CN105111655B (en) | A kind of light guide plate fabrication processing system | |
| CN103044739A (en) | Polyethylene drainage pipe material and preparation method thereof | |
| CN106189025A (en) | High transparency lucite sound-screen plate and preparation method thereof | |
| CN114561056A (en) | Low-thermal conductivity XPE foam and preparation method thereof | |
| CN110028726A (en) | A kind of gross porosity EVA moulded from foam material and preparation method thereof | |
| CN110128646A (en) | A kind of composite material and preparation method thereof based on vinylite treated basalt fiber | |
| CN110128657A (en) | Synthesis of polyvinylpolysiloxane with isotactic structure and method for preparing high tear-resistant silicone rubber | |
| CN111087692B (en) | A kind of disposable plastic cup and its processing technology | |
| CN110962287A (en) | Forming process combining carbon fiber and injection molding | |
| CN206335760U (en) | A kind of equipment produced for toilet seat | |
| CN202246510U (en) | Silicone oil polymerization system for preparing liquid silicone rubber | |
| CN113894983A (en) | Automatic production line for heat-conducting silica gel gaskets and using method of automatic production line | |
| CN108189433A (en) | A kind of method for preparing equally distributed big thickness terylene enhancing acrylate plank | |
| CN110202804A (en) | A kind of building polyurethane resin composite material and its pultrusion molding process | |
| CN112318973A (en) | Adhesive tape for rubber vulcanized cloth mold and preparation method thereof | |
| CN108003606A (en) | A kind of preparation method of ageing-resistant sewer pipe flat mouth sealing ring | |
| CN207944016U (en) | A kind of high-strength wearable glassware annealing device | |
| CN110089783A (en) | Silicone bra cup and its production technology | |
| CN217648918U (en) | A wear-resistant nylon mesh bag preforming device for vehicles | |
| CN202212187U (en) | Alkali glue and end sealing agent preparation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |