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CN1328090A - Plastics-wood shutterings for building and its preparing process - Google Patents

Plastics-wood shutterings for building and its preparing process Download PDF

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Publication number
CN1328090A
CN1328090A CN 01119861 CN01119861A CN1328090A CN 1328090 A CN1328090 A CN 1328090A CN 01119861 CN01119861 CN 01119861 CN 01119861 A CN01119861 A CN 01119861A CN 1328090 A CN1328090 A CN 1328090A
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Prior art keywords
template
wood
plastic
wood powder
building
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CN 01119861
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Chinese (zh)
Inventor
田家玉
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JIAYU NOVEL BUILDING MATERIALS CO Ltd BEIJING
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JIAYU NOVEL BUILDING MATERIALS CO Ltd BEIJING
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Priority to CN 01119861 priority Critical patent/CN1328090A/en
Publication of CN1328090A publication Critical patent/CN1328090A/en
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Abstract

A plastic-wood shuttering for building is prepared from wooden fibres modified by thermoplastic resin, lubricant thickening agent, compatibilizer, anti-ageing agent and fire retardant. It is a cuboid structure with reinforcing ribs and cavities. Its advantages are low cost, easy demoulding, and high rsistance to acid and alkali.

Description

A kind of plastic-wood material building template and preparation method thereof
The present invention relates to a kind of material of construction, refer in particular to a kind of plastic-wood material architectural template structure and preparation method thereof.
At present, employed building template is Sheet Steel Form, wooden form and the plastic mould of concrete depositing in construction work.The weight of Sheet Steel Form is big and easily get rusty; And in use easily and concrete conglutination together, be difficult to the demoulding.Though it is in light weight for wooden form, its intensity is low, and is non-watertight, and it is rotten easily to go mouldy, so repeat usage is low, needs consumption of natural resource.The shortcoming of Bamboo Formwork is that repeat usage is low, and not recyclable.And that the shortcoming of plastic mould is a rigidity is poor, yielding, and its cost height.
The objective of the invention is to overcome the deficiency in the background technology and provide that a kind of cost is low, repeat usage is high, the preparation method of the easy demoulding and antiacid alkali, ageing-resistant plastic-wood material building template.
Another object of the present invention is to provide the web member structure between a kind of described plastic-wood material architectural template structure and the template.
The present invention is by lignocellulose material modification filling thermoplastic resin, after adding lubricant, tackifier, compatilizer, pigment and antiaging agent, and extrusion moulding and getting.Used thermoplastic resin can be polypropylene (PP) virgin material, also can be to reclaim polypropylene (PP) material.Lignocellulose comprises cauline leaf, the bar of sawdust, wood powder and other Woody plant, plants pulverizing back fiber-like such as shell, and granulation is used after becoming the wood powder particle.
Various plastic-wood building formwork section bar cross-sectional shape circles or square, section structure can be a hollow, also can be real core, and template area size size is decided according to the actual requirements, and the thickness of goods reaches intensity according to actual needs and decides, and is prerequisite satisfying the demand.Related mould is processed according to the size of actual product and is decided.
Building template needs the square structure according to body of wall in engineering is used, to form a quadrate casing with the template overlap joint by the thickness of body of wall in advance, template will be coated remover in advance towards the one side of cement, then concrete is poured into and got final product, take template apart after the certain hour cement solidification, template can continue to use repeatedly.
The object of the present invention is achieved like this:
A kind of preparation method of plastic-wood material building template, it is characterized in that: described template raw material mainly is to fill thermoplasticity (PP) resin with the lignocellulose material modification to add other auxiliary agents simultaneously: lubricant, tackifier, compatilizer, composition such as ageing-resistant dose and fire retardant; Its prescription is: resin: 15~30%, wood powder: 85~70%, other auxiliary agents: 10~20% (promptly account for wood powder and resin total amount 10~20%); And adopt following method to prepare:
(1), xylon (powder): take 10~200 purpose wood powders;
(2), drying treatment: handle the back water content and be controlled at 10~15%; Dryer is a hot-air seasoning, also can be microwave drying, or natural air drying, must satisfy the wood powder water content 10~15%;
(3), add other auxiliary agents;
(4), can utilize waste and old thermoplastics (PP) reclaimed materials or virgin material (PP) resin;
(5), wood powder granulation: by special-purpose wood powder tablets press, without adding any additives, be extruding pelletization under 10~15% the situation in the wood powder water content, the water content of wood powder is lower than below 3% after the granulation;
(6), add umber, the adding in the feed bin of the forcing machine that evenly adds materials automatically,, blanking is extruded then by the metering of each material of prescription decision;
(7), extrusion moulding: the screw rod extruded material by forcing machine, is extruded as the plastic-wood building formwork material and meets the plastic and wood shuttering section bar that size requires by mould and standard equipment to mould;
(8), cut into desired size: be cut into suitable area size by customer requirement, it is standby to put into the warehouse;
(9), reclaim: join after the plastic-wood building formwork section bar of waste product can be pulverized directly to extrude in the forcing machine and get final product, other processing condition are constant.
Wherein, described other auxiliary agents are: lubricant: two parts in paraffin/interpolation, i.e. 2% of wood powder and resin total amount (following auxiliary agent metering method herewith); Tackifier: 5 parts of phthalic acid second dioctyl esters (DOP)/interpolation; Compatilizer: stearic acid and chlorinatedpolyethylene/each two parts; Ageing-resistant dose: titanium dioxide (titanium dioxide)/2 part; Fire retardant: 10~50 parts.
When drying treatment and wood powder granulation were handled, the water content of wood powder was 13% can reach best effect.
The required equipment of production template comprises:
(1), forcing machine: twin screw, but power is bigger more than 1 times than general forcing machine, it is fixed that concrete power is come by the product size size;
(2), mould: use the mould of moulding and typing logotype formula, to enhance productivity;
(3), typing platform and slitting saw and roll-over table thereof: can buy from market by needs of production;
(4), wood powder dryer: conventional dryer, hot air dryer or microwave dryer all can;
(5), wood powder tablets press: use food or feed processing tablets press;
(6), pulverizer: the machine that can directly pulverize the plastic-wood building formwork section bar of length more than one meter gets final product;
(7), other utility appliance: slitting saw; Packing machine etc.
A kind of plastic-wood material architectural template structure is characterized in that: the contour structures of described template is a rectangular parallelepiped, and its upper surface is a template assembling back contact cement face; Be provided with several stiffening webs on template cross section top, form cavity between the stiffening web; Be respectively equipped with a cavity at the transversal basifacial two ends of template, and between the inboard of these two cavitys, be provided with two semicircular cavities cell bodies, and cell body is parallel with cavity depth direction.
Wherein, between described template and the template can according to different types of attachment by different web members carry out clamping, grafting or in connect.Described web member can be Type,
Figure A0111986100062
, or " L " type.Described " L " type web member can be formed by angle steel processing bending.
Between described template and template, when level or vertical the connection, can use The type web member carries out clamping; When the diagonal angle connects in vertical the connection between described template and template, can use The type web member is pegged graft; When the diagonal angle connected during level was connected between described template and template, can use " L " type web member to connect in carrying out.
The present invention compared with prior art, its advantage is:
1, raw material sources are wide, and waste and old (PP) plastics spread all over the world, and cheap; Wood powder can be by wood shavings, the sawdust rice husk, and wooden tankage etc. process, so its comprehensive cost is low;
2, fundamental property and timber are suitable, can saw/can dig/can follow closely, and its goods wearing quality is better than wooden and bamboo building template goods;
3, the goods assembling can change according to market and customer requirement flexibly; The area of template can be according to actual needs size by the extrusion die section bar realize;
4, repeat usage height, recyclable utilization;
5, the wood plastic building mould goods are not afraid of insect bite, and antiacid alkali is ageing-resistant, are difficult for suction, and easy and concrete is peeled off;
6, owing to recyclable utilization waste and old in a large number (PP) plastics, the waste wood powder then helps administering environment;
7, desirable for wooden form and Bamboo Formwork and Sheet Steel Form.
The performance of the present invention and Bamboo form board, steel template is compared as follows:
Fig. 1 is the technological process of production figure of plastic-wood building formwork of the present invention.
Fig. 2-1 is a plastic-wood building formwork perspective view of the present invention.
Fig. 2-2 is the front view of plastic-wood building formwork structure of the present invention.
Fig. 2-3 is the left view of plastic-wood building formwork structure of the present invention.
Fig. 2-4 is the vertical view of plastic-wood building formwork structure of the present invention.
Fig. 3-1 to 3-5 be five kinds of web member structural representations of plastic-wood building formwork of the present invention.
Fig. 4 is plastic-wood building formwork level of the present invention or vertical syndeton synoptic diagram.
Fig. 5 is diagonal angle syndeton synoptic diagram in the vertical syndeton of plastic-wood building formwork of the present invention.
Fig. 6 is diagonal angle syndeton synoptic diagram in the horizontal syndeton of plastic-wood building formwork of the present invention.
Below in conjunction with embodiment and Figure of description, the present invention is further illustrated.
Technological process of production figure of the present invention as shown in Figure 1.Preparation method of the present invention is as follows:
Embodiment 1:
Template raw material of the present invention mainly is to fill thermoplasticity (PP) resin with the lignocellulose material modification to add other auxiliary agents simultaneously: lubricant, tackifier, compatilizer, compositions such as ageing-resistant dose and fire retardant; Its prescription is: resin: wood powder 15%: other auxiliary agents 85%: 10% (promptly account for wood powder and resin total amount 10%); And adopt following method to prepare:
(1), wood powder and xylon: take 10 purpose wood powders;
(2), drying treatment: handle the back water content and be controlled at 10%; Dryer is a hot-air seasoning, also can be microwave drying, or natural air drying, must satisfy the wood powder water content 10%;
(3), add other auxiliary agents: lubricant, tackifier, compatilizer, ageing-resistant dose and fire retardant etc.;
(4), can utilize waste and old thermoplastics (PP) reclaimed materials or virgin material (PP) resin;
(5), wood powder granulation: by special-purpose wood powder tablets press, without adding any additives, be extruding pelletization under 10% the situation in the wood powder water content, the water content of wood powder is lower than below 3% after the granulation;
(6), add umber, the adding in the feed bin of the forcing machine that evenly adds materials automatically,, blanking is extruded then by the metering of each material of prescription decision;
(7), extrusion moulding: the screw rod extruded material by forcing machine, is extruded as the plastic-wood building formwork material and meets the plastic and wood shuttering section bar that size requires by mould and standard equipment to mould;
(8), cut into desired size: be cut into suitable area size by customer requirement, it is standby to put into the warehouse;
(9), Application in Building;
(10), reclaim: join after the plastic-wood building formwork section bar of waste product can be pulverized directly to extrude in the forcing machine and get final product, other processing condition are constant.
Embodiment 2:
Template raw material of the present invention mainly is to fill thermoplasticity (PP) resin with the lignocellulose material modification to add other auxiliary agents simultaneously: lubricant, tackifier, compatilizer, compositions such as ageing-resistant dose and fire retardant; Its prescription is: resin: wood powder 30%: other auxiliary agents 70%: 20% (promptly account for wood powder and resin total amount 20%); And adopt following method to prepare:
(1), wood powder and xylon: take 200 purpose wood powders;
(2), drying treatment: handle the back water content and be controlled at 15%; Dryer is a hot-air seasoning, also can be microwave drying, or natural air drying, must satisfy the wood powder water content 15%;
(3), add other auxiliary agents: lubricant, tackifier, compatilizer, ageing-resistant dose and fire retardant etc.:
(4), can utilize waste and old thermoplastics (PP) reclaimed materials or virgin material (PP) resin;
(5), wood powder granulation: by special-purpose wood powder tablets press, without adding any additives, be extruding pelletization under 15% the situation in the wood powder water content, the water content of wood powder is lower than below 3% after the granulation;
(6), add umber, the adding in the feed bin of the forcing machine that evenly adds materials automatically,, blanking is extruded then by the metering of each material of prescription decision;
(7), extrusion moulding: the screw rod extruded material by forcing machine, is extruded as the plastic-wood building formwork material and meets the plastic and wood shuttering section bar that size requires by mould and standard equipment to mould;
(8), cut into desired size: be cut into suitable area size by customer requirement, it is standby to put into the warehouse;
(9), Application in Building;
(10), reclaim: join after the plastic-wood building formwork section bar of waste product can be pulverized directly to extrude in the forcing machine and get final product, other processing condition are constant.
Embodiment 3:
Template raw material of the present invention mainly is to fill thermoplasticity (PP) resin with the lignocellulose material modification to add other auxiliary agents simultaneously: lubricant, tackifier, compatilizer, compositions such as ageing-resistant dose and fire retardant; Its prescription is: resin: wood powder 20%: other auxiliary agents 80%: 15% (promptly account for wood powder and resin total amount 15%); And adopt following method to prepare:
(1), wood powder and xylon: take 80 purpose wood powders;
(2), drying treatment: handle the back water content and be controlled at 13%; Dryer is a hot-air seasoning, also can be microwave drying, or natural air drying, must satisfy the wood powder water content 13%;
(3), add other auxiliary agents: lubricant, tackifier, compatilizer, ageing-resistant dose and fire retardant etc.;
(4), can utilize waste and old thermoplastics (PP) reclaimed materials or virgin material (PP) resin;
(5), wood powder granulation: by special-purpose wood powder tablets press, without adding any additives, be extruding pelletization under 13% the situation in the wood powder water content, the water content of wood powder is lower than below 3% after the granulation;
(6), add umber, the adding in the feed bin of the forcing machine that evenly adds materials automatically,, blanking is extruded then by the metering of each material of prescription decision;
(7), extrusion moulding: the screw rod extruded material by forcing machine, is extruded as the plastic-wood building formwork material and meets the plastic and wood shuttering section bar that size requires by mould and standard equipment to mould;
(8), cut into desired size: be cut into suitable area size by customer requirement, it is standby to put into the warehouse;
(9), Application in Building;
(10), reclaim: join after the plastic-wood building formwork section bar of waste product can be pulverized directly to extrude in the forcing machine and get final product, other processing condition are constant.
What specify is, when drying treatment and wood powder granulation were handled, the water content of wood powder was 13% can reach best effect.
Wood plastic building mould structure of the present invention as shown in Figure 2.The profile of formwork structure of the present invention is a rectangular parallelepiped 1, and its upper surface is to connect 0 after the template assembling to touch the cement face.Be provided with a stiffening web 2 on the top of template cross section, form two bigger rectangular enclosures 3,3 '; Be respectively equipped with a less rectangular enclosure 4,4 ' at the transversal basifacial two ends of template, and between two little rectangular enclosures 4,4 ' inboard, be provided with two semicircular cavities cell bodies 5, and cell body 5 is parallel with cavity depth direction.
The physical size of template of the present invention can be: the width of cross section is 150mm (according to the actual product needs, can adjust in 150~500mm or bigger scope); Highly be 80mm (also can adjust); Thickness between big chamber and loculus is 3~8mm (can adjust in 3~15mm or bigger scope); Thickness between big chamber and big chamber, cavity and side, loculus and front is 4mm (can adjust within the specific limits); Width is 105mm, according to actual needs, can cut out the building template section bar of appropriate length after extruding the successive product.
When reality is used, the connection of building template of the present invention be achieved in that between described template and the template can according to different types of attachment by different web members carry out clamping, grafting or in connect.
Described web member can be
Figure A0111986100091
Type, Type is as Fig. 3-1,3-2; And " " shape of type web member is shown in Fig. 3-3,3-4,3-5 for L.The material of template connecting piece can be plastic component or metalwork according to design requirements.Plastics can be ABS, PP, PC etc., by injecting or extruding all plastic.The corresponding coupling of the size of web member with the size of template section bar.And " L " type web member can be formed by angle steel processing bending, shown in Fig. 3-5.
When level between described template and template or vertical the connection, can use The type web member carries out clamping, as shown in Figure 4.Two templates are placed side by side, use
Figure A0111986100094
The type web member blocks two relative semi-circular groove of template, with carrying out clamping between template and the template, then can be connected into a bulk of plane with several web members.And this planar area can be determined according to the needs of practice of construction.This planar shiny surface can contact with the cement face, so just can cast cement mortar.
, when being connected, angle connected vertically between the template can use in described template
Figure A0111986100101
The type web member is pegged graft, as shown in Figure 5.With of the depth direction parallel placement of several piece template, promptly place perpendicular to ground along cavity.Engage the same class methods of its combination between per two templates.
When the diagonal angle between described template and template in the parallel connection connects, can use " L " type web member to connect in carrying out, as shown in Figure 6.Its method is: two members that cut are got along 45 ° of cutting-outs in one summit from the end, make two members be 90 ° their cutting stitch bond, weld together then; Perhaps with same method in member middle part cutting, but do not cut off, cold pressing be bent into 90 ° after seam get final product.To be plugged in the orthogonal cavity structure with " L " type web member that cavity size is complementary again, to play the effect of being connected and fixed.

Claims (10)

1, a kind of preparation method of plastic-wood material building template, it is characterized in that: described template raw material mainly is to fill thermoplasticity (PP) resin with the lignocellulose material modification to add other auxiliary agents simultaneously: lubricant, tackifier, compatilizer, composition such as ageing-resistant dose and fire retardant; Its prescription is: resin: 15~30%, wood powder: 85~70%, other auxiliary agents: 10~20% (promptly account for wood powder and resin total amount 10~20%); And adopt following method to prepare:
(1), xylon (powder): take 10~200 purpose wood powders;
(2), drying treatment: handle the back water content and be controlled at 10~15%; Dryer is a hot-air seasoning, also can be microwave drying, or natural air drying, must satisfy the wood powder water content 10~15%;
(3), add other auxiliary agents;
(4), can utilize waste and old thermoplastics (PP) reclaimed materials or virgin material (PP) resin;
(5), wood powder granulation: by special-purpose wood powder tablets press, without adding any additives, be extruding pelletization under 10~15% the situation in the wood powder water content, the water content of wood powder is lower than below 3% after the granulation;
(6), add umber, the adding in the feed bin of the forcing machine that evenly adds materials automatically,, blanking is extruded then by the metering of each material of prescription decision;
(7), extrusion moulding: the screw rod extruded material by forcing machine, is extruded as the plastic-wood building formwork material and meets the plastic and wood shuttering section bar that size requires by mould and standard equipment to mould;
(8), cut into desired size: be cut into suitable area size by customer requirement, it is standby to put into the warehouse;
(9), reclaim: join after the plastic-wood building formwork section bar of waste product can be pulverized directly to extrude in the forcing machine and get final product, other processing condition are constant.
2, according to the preparation method of the plastic-wood material building template described in the claim 1, it is characterized in that: the umber of described other auxiliary agents can be: lubricant: two parts in paraffin/interpolation, promptly 2% of wood powder and resin total amount; Tackifier: 5 parts of phthalic acid second dioctyl esters (DOP)/interpolation; Compatilizer: stearic acid and chlorinatedpolyethylene/each two parts; Ageing-resistant dose: titanium dioxide (titanium dioxide)/2 part; Fire retardant: 10~50 parts.
3, according to the preparation method of the plastic-wood material building template described in the claim 1, it is characterized in that: when drying treatment and wood powder granulation were handled, the water content of wood powder was 13% can reach best effect.
4, according to the preparation method of the plastic-wood material building template described in the claim 1, it is characterized in that: manufacture the required equipment of template and comprise:
(1), forcing machine: twin screw, but power is bigger more than 1 times than general forcing machine, it is fixed that concrete power is come by the product size size;
(2), mould: use the mould of moulding and typing logotype formula, to enhance productivity;
(3), typing platform and slitting saw and roll-over table thereof: can buy from market by needs of production;
(4), wood powder dryer: conventional dryer, hot air dryer or microwave dryer all can;
(5), wood powder tablets press: use food or feed processing tablets press;
(6), pulverizer: the machine that can directly pulverize the plastic-wood building formwork section bar of length more than one meter gets final product;
(7), other utility appliance: slitting saw; Packing machine etc.
5, a kind of plastic-wood material architectural template structure is characterized in that: the contour structures of described template is a rectangular parallelepiped, and its upper surface is a template assembling back contact cement face; Be provided with several stiffening webs on template cross section top, form cavity between the stiffening web; Be respectively equipped with a cavity at the transversal basifacial two ends of template, and between the inboard of these two cavitys, be provided with two semicircular cavities cell bodies, and cell body is parallel with cavity depth direction; Between two templates, can connect by web member.
6, plastic-wood material architectural template structure according to claim 5, it is characterized in that: described web member can be
Figure A0111986100031
Type or
Figure A0111986100032
, or " L " type.
7, according to the plastic-wood material architectural template structure described in the claim 6, it is characterized in that: described " L " type web member can be formed by angle steel processing bending.
8, according to the plastic-wood material architectural template structure described in the claim 5, it is characterized in that: when level between the template is connected, can use in described template The type web member carries out clamping.
9, according to the plastic-wood material architectural template structure described in the claim 5, it is characterized in that: during vertical connection between described template and template, can use The type web member is pegged graft.
10, according to the plastic-wood material architectural template structure described in the claim 5, it is characterized in that: when diagonal angle between the template is connected, can use " L " type web member to connect in carrying out in described template.
CN 01119861 2001-07-03 2001-07-03 Plastics-wood shutterings for building and its preparing process Pending CN1328090A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304483C (en) * 2005-02-07 2007-03-14 陈嘉荣 Method for producing wood flour micro-plastic wood-imitated products
CN101786331A (en) * 2010-02-24 2010-07-28 陈维强 Production method and system of plastic building template
CN101955676A (en) * 2010-06-09 2011-01-26 常熟通江机械有限公司 Plastic wood composite material and preparation method
CN102604403A (en) * 2012-03-09 2012-07-25 南通升环木业有限公司 Preparing technology of high-performance straw fiber plastic-wooden composite material
CN103273634A (en) * 2013-05-24 2013-09-04 泰安智森建材科技有限公司 Method for producing plastic-wood wallboard and product thereof
CN103834107A (en) * 2014-03-11 2014-06-04 大连工业大学 Modified lignin intumescent flame retardant TPO composite material as well as preparation method and application of composite material
CN109113324A (en) * 2018-10-17 2019-01-01 青岛兴泰塑业有限公司 Nano hybridization composite co-extruding Novel hollow building template
CN109160981A (en) * 2018-09-18 2019-01-08 魏菊宁 A kind of concrete mould plate material and preparation method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1304483C (en) * 2005-02-07 2007-03-14 陈嘉荣 Method for producing wood flour micro-plastic wood-imitated products
CN101786331A (en) * 2010-02-24 2010-07-28 陈维强 Production method and system of plastic building template
CN101955676A (en) * 2010-06-09 2011-01-26 常熟通江机械有限公司 Plastic wood composite material and preparation method
CN102604403A (en) * 2012-03-09 2012-07-25 南通升环木业有限公司 Preparing technology of high-performance straw fiber plastic-wooden composite material
CN103273634A (en) * 2013-05-24 2013-09-04 泰安智森建材科技有限公司 Method for producing plastic-wood wallboard and product thereof
CN103834107A (en) * 2014-03-11 2014-06-04 大连工业大学 Modified lignin intumescent flame retardant TPO composite material as well as preparation method and application of composite material
CN103834107B (en) * 2014-03-11 2016-04-20 大连工业大学 A kind of modified lignin resin expandable flame retardant TPO matrix material and its preparation method and application
CN109160981A (en) * 2018-09-18 2019-01-08 魏菊宁 A kind of concrete mould plate material and preparation method thereof
CN109113324A (en) * 2018-10-17 2019-01-01 青岛兴泰塑业有限公司 Nano hybridization composite co-extruding Novel hollow building template

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