CN106566446B - A kind of gum paint and preparation method thereof - Google Patents

Abstract

The invention relates to a back glue paint and a preparation method thereof, and belongs to the technical field of synthesis of organic polymer compounds. Comprising SEBS, high-rheology PP, high-viscosity graphene oxide and rheology polyester compound, the mass ratio of SEBS, high-rheology PP, high-viscosity graphene oxide and rheology polyester compound is 100: (40‑50): (5‑20): (5‑15). Applying the application to household items such as carpets has the advantages of high viscosity, environmental protection and no pollution.

Description

A kind of back glue paint and preparation method thereof

technical field

The invention relates to a back glue paint and a preparation method thereof, and belongs to the technical field of synthesis of organic polymer compounds.

Background technique

The existing carpet back glue is generally coated with latex and film calendered. The latex contains a variety of chemical additives, so it is inevitable that some monomers will remain. Since carpets are mostly used for home use, this will have an impact on the environment; Coating and calendering of ordinary materials cannot fully bond the back glue and various fibers, and it is prone to degumming and damage during use and washing, which affects the service life.

Based on this, this application is made.

Contents of the invention

In order to overcome the above-mentioned defects existing in the use of existing carpet back glue, the application at first provides a kind of TPE back glue paint for carpets with strong adhesion to various fibers, environmental protection and non-slip.

In order to achieve the above object, the technical scheme adopted by the application is as follows:

A kind of back glue paint, comprises SEBS, high rheology PP, high viscosity graphene oxide and rheology polyester compound, the SEBS, high rheology PP, high viscosity graphene oxide and rheology polyester compound The mass ratio is 100:(40-50):(5-20):(5-15).

Further, as a preference:

The rheological parameter range of the PP is 22-29.

The high-viscosity graphene oxide is physically synthesized by epoxy silane coupling agent, petroleum terpene resin and graphene oxide at a mass ratio of 10-20:60-80:10-20 below 100rpm at a temperature of 40°C Prepared.

The rheological polyester compound is prepared by a rheological agent and a polyester elastomer at a mass ratio of 20-30:70-80 at 180-220° C. through a twin-screw machine. More preferably, the rheological agent refers to a polyolefin rheological agent with a rheological index of 80-110.

Also include plasticizer in the described back glue paint, the mass ratio of SEBS, high-rheology PP, high-viscosity graphene oxide, rheology polyester compound, plasticizer is 100:(40-50):( 5-20): (5-15): (15-20).

Also include plasticizer and additive in the described back glue paint, the mass ratio of SEBS, high-rheology PP, high-viscosity graphene oxide, rheology polyester compound, plasticizer, additive is 100:(40- 50): (5-20): (5-15): (15-20): (0.5-1), wherein the additive refers to a combination of an antioxidant, an antiultraviolet agent, and a lubricant.

At the same time, the application also provides a preparation method of the back glue paint with the above-mentioned characteristics. After mixing and stirring SEBS, high-rheology PP, high-viscosity graphene oxide and rheology polyester compound in proportion, add a twin-screw extruder In the discharge machine, heat up to 180-220°C to melt and extrude, cut or granulate the strands, air-dry and dry to get the product.

Among them, the term SEBS refers to a linear three-block copolymer with polystyrene as the terminal block and ethylene-butene copolymer obtained by hydrogenation of polybutadiene as the middle elastic block. The term high rheological PP refers to PP modified with a rheological agent, and its rheological index is between 90-110, and the rheological agent refers to a polyolefin rheological agent with a rheological index of 80-110.

Detailed ways

The approximate terms used in this embodiment are used to limit the quantity, which means that it is not limited to the specific data, and also includes the acceptable correction part that is close to the data and will not cause the relevant basic functions to be broken. Correspondingly, "approximately ", "about" and other modified data, it is thought that this embodiment is not limited to the precise numerical value.

Among them, in the following examples, the SEBS used refers to a linear triembedded copolymer with polystyrene as the end segment and ethylene-butene copolymer obtained by hydrogenation of polybutadiene as the middle elastic block. Special restrictions can be commercially available or experimentally synthesized; high rheological PP refers to PP modified with a rheological agent, and its rheological index is between 90-110; rheological agent refers to a rheological index of 80-110 polyolefin rheological agent.

High-viscosity graphene oxide refers to the activation treatment of graphene oxide with epoxy silane coupling agent according to 5-20‰, and then the activated graphene oxide is mixed with petroleum terpene resin according to the mass ratio of 1:1 ( C5 or above) is a functional masterbatch prepared by a twin-screw extruder after high-mixing (speed 400rpm) stirring. It is not particularly limited, and commercially available or experimentally synthesized compounds can be used.

In this example, the rheological polyester compound refers to a functional masterbatch prepared by using a rheological agent to modify a polyester elastomer or physically blending a rheological agent with a polyester elastomer; the rheological agent It refers to the polyolefin rheological agent with a rheological index of 80-110.

Set SEBS used in this application as A, high-rheology PP as B, high-viscosity curing graphene as C, rheological polyester compound as D, plasticizer as E, and additive as F .

Standard parts by weight refer to 100-500 g.

Example 1

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight A, 40 parts by weight B, 5 parts by weight C, 5 parts by weight D, standard parts by weight E, standard parts by weight F (antioxidant, antiultraviolet agent, lubricant=1:1:2, mass ratio), stirred evenly by a mixer at normal temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 2

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight A, 45 parts by weight B, 10 parts by weight C, 10 parts by weight D, standard parts by weight E, standard parts by weight F (antioxidant, antiultraviolet agent, lubricant=1:1:2, mass ratio), stirred evenly by a mixer at normal temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 3

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight A, 50 parts by weight B, 15 parts by weight C, 15 parts by weight D, standard parts by weight E, standard parts by weight F (antioxidant, antiultraviolet agent, lubricant=1:1:2, mass ratio), stirred evenly by a mixer at normal temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 4

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight A, 50 parts by weight B, 20 parts by weight C, 15 parts by weight D, standard parts by weight E, standard parts by weight F (antioxidant, antiultraviolet agent, lubricant=1:1:2, mass ratio), stirred evenly by a mixer at normal temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

The effects were compared without adding F and without adding E and F at the same time. For details, see Examples 5-8 and Examples 9-12, respectively.

Example 5

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 20 parts by weight of C, 15 parts by weight of D, and 3 parts by weight of E were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 6

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 20 parts by weight of C, 15 parts by weight of D, and 5 parts by weight of E were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 7

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 20 parts by weight of C, 15 parts by weight of D, and 10 parts by weight of E were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 8

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 20 parts by weight of C, 15 parts by weight of D, and 15 parts by weight of E were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 9

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 20 parts by weight of C, and 15 parts by weight of D were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 10

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 50 parts by weight of B, 15 parts by weight of C, and 15 parts by weight of D were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 11

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 45 parts by weight of B, 10 parts by weight of C, and 10 parts by weight of D were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Example 12

The present embodiment adhesive paint is prepared according to the following steps:

(1) 100 parts by weight of A, 40 parts by weight of B, 5 parts by weight of C, and 5 parts by weight of D were uniformly stirred by a mixer at room temperature.

(2) Add the above-mentioned materials that have been stirred evenly into a twin-screw extruder, heat to 180-220°C, and extrude.

(3) Extrude and cool, pelletize and shape, and obtain uniform particles through a vibrating screen.

(4) The obtained uniform granules are dried so that the granules do not contain moisture.

Comparative example 1

Commercially available 1 TPE carpet adhesive (Kunshan Kexin Polymer Material Co., Ltd.) was used as Comparative Example 1 for comparison.

Comparative example 2

Commercially available 2 TPE carpet adhesive (Taizhou Sanming Plastic Co., Ltd.) was used as Comparative Example 2 for comparison.

Table 1 Test comparison table of different products

Can find out by the contrast of table 1 and above-mentioned each embodiment:

(1) Compared with commercially available products, the tensile strength of the TPE carpet back glue paint prepared by the application is around 5.0MPa, and the bonding stretch is slightly around 3MPa, and the coefficient of friction with conventional floor tiles is greater than 0.5, all excellent When it is applied to various fibers (cotton, hemp, polyester, acrylic, polypropylene fiber and other chemical fibers) in commercially available products, it not only has good mechanical strength, but also has strong viscosity, and the bonding tear strength is relatively high. Good, and the coefficient of friction with the floor tiles is increased to ensure the flower effect, and it has passed the ROHS environmental protection certification to ensure the environmental protection function. After washing and rinsing, the adhesive will not fall off, and it will not interfere with the living environment.

(2) In the present application, the main active ingredients of the back glue paint are SEBS, high-rheology PP, high-viscosity graphene oxide and rheology polyester compound, wherein the high-viscosity graphene oxide has good adhesion; SEBS does not Containing unsaturated double bonds, it has good stability and aging resistance; high rheological PP and rheological polyester compound have good rheological properties, which can well reconcile high-viscosity graphene oxide and SEBS, and make it To achieve the effect of strengthening; and among the two additives added, the plasticizer mainly plays a plasticizing role. With the increase of its addition amount, the plasticizing effect is strengthened, and the slip resistance is improved accordingly. When added to 15 When -20% (mass percentage), the improvement of the anti-slip performance reaches the best; the additive mainly plays the role of anti-aging, and with the increase of its addition amount, the anti-aging effect is strengthened, and the corresponding anti-aging performance is improved. When added to 0.5-1% (mass percentage), the improvement of the aging resistance performance reaches the best.

The above content is a further detailed description of the technical solutions provided in conjunction with the preferred embodiments of the present invention. It cannot be determined that the specific implementation of the present invention is only limited to the above descriptions. For those of ordinary skill in the technical field of the present invention, On the premise of not departing from the inventive concept of the present invention, some simple deductions or substitutions can also be made, which should be regarded as belonging to the protection scope of the present invention.

Claims (6)

1. a kind of gum paint, it is characterised in that：By SEBS, high rheology PP, high viscosity graphene oxide and rheology polyester complexes Composition, the SEBS, high rheology PP, high viscosity graphene oxide and rheology polyester complexes mass ratio be 100：（40- 50）：（5-20）：（5-15）；The high viscosity graphene oxide is by epoxy silane coupling agent, oil terpene resin and oxidation Graphene according to（10-20）：（60-80）：（10-20）Mass ratio 100rpm or less, physics synthesizes at a temperature of 40 DEG C；Described Rheology polyester complexes be by rheological agent and polyester elastomer according to（20-30）：（70-80）Mass ratio at 180-220 DEG C It is prepared.

2. a kind of gum paint as described in claim 1, it is characterised in that：The Rheological Index of the high rheology PP is in 90-110 Between.

3. a kind of gum paint, it is characterised in that：It is compound including SEBS, high rheology PP, high viscosity graphene oxide, rheology polyester Object, the SEBS, high rheology PP, high viscosity graphene oxide and rheology polyester complexes mass ratio be 100：（40-50）： （5-20）：（5-15）；The high viscosity graphene oxide is by epoxy silane coupling agent, oil terpene resin and graphite oxide Alkene according to（10-20）：（60-80）：（10-20）Mass ratio 100rpm or less, physics synthesizes at a temperature of 40 DEG C；The high stream Become the Rheological Index of PP between 90-110；The rheology polyester complexes be by rheological agent and polyester elastomer by（20- 30）：（70-80）Mass ratio compound at 180-220 DEG C be prepared.

4. a kind of gum paint as claimed in claim 3, it is characterised in that：Further include having plasticiser, SEBS, high rheology PP, height Sticky graphene oxide, rheology polyester complexes, plasticiser mass ratio be 100：（40-50）：（5-20）：（5-15）：（15- 20）.

5. a kind of gum paint as claimed in claim 3, it is characterised in that：Further include having plasticiser and additive, SEBS, Gao Liu Become the mass ratio of PP, high viscosity graphene oxide, rheology polyester complexes, plasticiser, additive as 100：（40-50）：（5- 20）：（5-15）：（15-20）：（0.5-1）, wherein additive refers to the combination of antioxidant, anti ultraviolet agent, lubricant.

6. the preparation method of gum paint as described in claim 1 or 3 any one, it is characterised in that：By SEBS, high rheology PP, height After sticky graphene oxide and rheology polyester complexes are mixed evenly in proportion, pair having warmed up to 180-220 DEG C is added After melting extrusion in screw extruder, tie rod pelletizing or granulation, it is drying to obtain.