CN112917953A - Preparation method of thermoplastic tough foamed adhesive tape - Google Patents
Preparation method of thermoplastic tough foamed adhesive tape Download PDFInfo
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- CN112917953A CN112917953A CN202110081478.1A CN202110081478A CN112917953A CN 112917953 A CN112917953 A CN 112917953A CN 202110081478 A CN202110081478 A CN 202110081478A CN 112917953 A CN112917953 A CN 112917953A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2327/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2353/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08J2427/06—Homopolymers or copolymers of vinyl chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
The invention discloses a preparation method of a thermoplastic tough foamed adhesive tape. The thermoplastic tough foamed adhesive tape is prepared from a certain amount of thermoplastic elastomer, polyvinyl chloride resin, a filler, a plasticizer, a heat stabilizer, a foaming agent, a foaming auxiliary agent and a foam cell regulator through mixing, high-speed stirring, banburying, gelling, calendering, foaming and embossing. The physical properties of the finished thermoplastic tough foamed adhesive tape prepared by the invention meet the standard of artificial leather, and meanwhile, the thermoplastic tough foamed adhesive tape has the high elasticity characteristic of an elastomer, so that the quality of the finished thermoplastic tough foamed adhesive tape is obviously improved, the application range of the finished thermoplastic tough foamed adhesive tape is expanded, the service life of the finished thermoplastic tough foamed adhesive tape is prolonged, better economic benefits are brought to enterprises, and the further development of the foamed adhesive tape industry is promoted.
Description
Technical Field
The invention relates to the field of foamed adhesive tapes, in particular to a preparation method of a thermoplastic tough foamed adhesive tape.
Background
The foaming adhesive plaster has two-layer structure and three-layer structure, the two-layer structure is divided into an adhesive layer (upper layer) and a foam layer (lower layer), and the three-layer structure is divided into an adhesive layer (upper layer), a foam layer (middle layer) and an adhesive layer (lower layer). The foaming adhesive plaster has the characteristics of light weight and large volume. At present, in the prior art, the preparation process of the foaming adhesive tape can not ensure that the finished product of the adhesive tape has good physical properties and can also keep excellent elasticity, so that the application of the foaming adhesive tape is limited, and the further development of the foaming adhesive tape industry is restricted. Therefore, the development of a high-elasticity thermoplastic foaming adhesive tape which has good physical properties, can reach the standard of artificial leather and also has an elastomer is a main problem to be solved urgently in the field of foaming adhesive tapes at present.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of a thermoplastic tough foamed adhesive tape, which comprises the following steps:
1) mixing the main materials in proportion;
2) stirring the mixed main materials at a high speed for 200-350 s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the materials at the temperature of 130-180 ℃, and then embossing, cooling and coiling to obtain a semi-finished product of the adhesive tape;
4) foaming and embossing the adhesive tape at 180-230 ℃ by adopting a foaming furnace;
5) carrying out surface treatment on the adhesive tape by using a processor;
6) embossing the adhesive tape by using an embossing machine;
7) and (4) carrying out surface treatment on the adhesive tape by adopting a processor.
Preferably, the main material comprises the following raw materials in parts by weight:
10 to 100 parts of a thermoplastic elastomer,
10-100 parts of polyvinyl chloride resin,
0 to 40 parts of a filler,
20-80 parts of a plasticizer, namely,
1-5 parts of a heat stabilizer,
3-20 parts of a foaming agent,
0 to 5 parts of a foaming auxiliary agent,
0-5 parts of a foam cell regulator.
Further, the finished product rubberized fabric is subjected to secondary surface treatment to meet the requirements of different types of products.
Further, the thermoplastic elastomer is one or more of styrene thermoplastic elastomer, olefin thermoplastic elastomer, diene thermoplastic elastomer, vinyl chloride thermoplastic elastomer and polyurethane thermoplastic elastomer.
Further, the filler is one or more of calcium carbonate, argil, talc, diatomite, silica, mica powder and asbestos.
Further, the plasticizer is one or more of phthalate plasticizers, aliphatic/aromatic monocarboxylic acid ester plasticizers, aliphatic plasticizers, dicarboxylic acid ester plasticizers, polyester plasticizers, polycarboxylic acid ester plasticizers, phosphate plasticizers, polyol ester plasticizers and cyclohexane ester plasticizers.
Further, the heat stabilizer is one or more of an organic tin stabilizer, a calcium zinc stabilizer, a barium zinc stabilizer, a rare earth stabilizer and a mixed metal stabilizer.
Further, the foaming agent is one or more of a carbonate foaming agent, a citrate foaming agent, a nitroso salt foaming agent, an azo foaming agent and a sulfonyl hydrazide foaming agent.
Further, the foaming auxiliary agent is one or more of urea foaming auxiliary agents, phosphate foaming auxiliary agents, organic acid foaming auxiliary agents and metal salt foaming auxiliary agents.
Further, the foam cell regulator is one or more of quaternary ammonium salt, sulfonate, carboxylate, betaine, fatty alcohol-polyoxyethylene ether, nonylphenol polyoxyethylene ether, ethylene oxide/propylene oxide copolymer and alkanolamide.
The present invention uses thermoplastic elastomers such as styrene thermoplastic elastomers, olefin thermoplastic elastomers, diene thermoplastic elastomers, vinyl chloride thermoplastic elastomers, polyurethane thermoplastic elastomers, and polyethylene resin raw materials as one of the main raw materials of the foamed adhesive tape. The thermoplastic elastomer has the physical and mechanical properties of vulcanized rubber and the processing property of soft plastics, and can be prepared into a final product through simple processing without hot vulcanization. The adoption of the thermoplastic elastomer simplifies the preparation method and the production cost of the thermoplastic tough foamed adhesive tape, and provides good elasticity for the finished product. The polyvinyl chloride resin provides good chemical stability for the foaming adhesive plaster.
The invention adopts calcium carbonate, argil, talc, diatomite, silicon dioxide, mica powder and the like as fillers, and plays a role in enhancing and increasing the preparation of the thermoplastic tough foamed adhesive tape. The filler can reduce fine gaps in the finished product foamed adhesive tape and enhance the bonding strength among raw materials so as to achieve the material which obviously improves the mechanical property of the product.
The invention adopts an organic tin stabilizer, a calcium zinc stabilizer, a barium zinc stabilizer, a rare earth stabilizer and a mixed metal stabilizer as heat stabilizers, thereby reducing the molding temperature and inhibiting the decomposition of raw materials.
The invention adopts phthalate plasticizer, aliphatic/aromatic monocarboxylic acid ester plasticizer, aliphatic plasticizer, dicarboxylic acid ester plasticizer, polyester plasticizer, polycarboxylic acid ester plasticizer, phosphate plasticizer, polyol ester plasticizer and cyclohexane plasticizer as plasticizers, and has good synergistic effect with other additives adopted by the invention. The plasticizer disclosed by the invention can increase the flexibility of the foaming adhesive tape, increase the elongation and reduce the tensile strength.
The foaming layer is formed by generating bubbles by adopting a carbonate foaming agent, a citrate foaming agent, a nitroso salt foaming agent, an azo foaming agent and a sulfonyl hydrazine foaming agent.
The invention adopts urea, phosphate, organic acid and metal salt as foaming auxiliary agents to activate foaming agents and improve foaming effect.
Quaternary ammonium salts, sulfonates, carboxylates, betaines, fatty alcohol-polyoxyethylene ethers, nonylphenol polyoxyethylene ethers, ethylene oxide/propylene oxide copolymers and alkanolamides are used as foam cell regulators, so that the stability of foam cells is kept, and better rebound resilience is provided.
Compared with the prior art, the invention has the following beneficial effects:
the invention reasonably selects the types of the thermoplastic elastomer and the polyvinyl chloride raw materials and adjusts the proportion of the components, so that the raw materials become an organic whole, and the raw materials generate good synergistic effect, so that the physical property of the final finished product of the foaming adhesive tape reaches the standard of artificial leather, and the foaming adhesive tape also has the high elasticity characteristic of the elastomer. The preparation method provided by the invention has the advantages of simple process and low cost, ensures the good quality of the finished product adhesive tape, expands the application range, prolongs the service life, brings higher economic benefit for enterprises, and promotes the further development of the foaming adhesive tape industry.
Detailed Description
The invention provides a preparation method of thermoplastic tough foamed adhesive tape, which comprises the following steps:
1) mixing the main materials in proportion;
2) stirring the mixed main materials at a high speed for 200-350 s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the materials at the temperature of 130-180 ℃, and then embossing, cooling and coiling to obtain a semi-finished product of the adhesive tape;
4) foaming and embossing the adhesive tape at 180-230 ℃ by adopting a foaming furnace;
5) carrying out surface treatment on the adhesive tape by using a processor;
6) embossing the adhesive tape by using an embossing machine;
7) and (4) carrying out surface treatment on the adhesive tape by adopting a processor.
In one embodiment, the main material comprises the following raw materials in parts by weight:
10 to 100 parts of a thermoplastic elastomer,
10-100 parts of polyvinyl chloride resin,
0 to 40 parts of a filler,
20-80 parts of a plasticizer,
1-5 parts of a heat stabilizer,
3-20 parts of a foaming agent,
0 to 5 parts of a foaming auxiliary agent,
0-5 parts of a foam cell regulator.
In one embodiment, the finished tape is subjected to a secondary surface treatment.
In one embodiment, the thermoplastic elastomer is one or more of a styrenic thermoplastic elastomer, an olefinic thermoplastic elastomer, a diene thermoplastic elastomer, a vinyl chloride thermoplastic elastomer, and a polyurethane thermoplastic elastomer.
In one embodiment, the filler is one or more of calcium carbonate, pottery clay, talc, diatomite, silica, mica powder and asbestos.
In one embodiment, the plasticizer is one or more of phthalate plasticizers, aliphatic/aromatic monocarboxylic acid ester plasticizers, aliphatic plasticizers, dicarboxylic acid ester plasticizers, polyester plasticizers, polycarboxylic acid ester plasticizers, phosphate plasticizers, polyol ester plasticizers, and cyclohexane ester plasticizers.
In one embodiment, the heat stabilizer is one or more of an organic tin stabilizer, a calcium zinc stabilizer, a barium zinc stabilizer, a rare earth stabilizer, and a mixed metal stabilizer.
In one embodiment, the foaming agent is one or more of a carbonate foaming agent, a citrate foaming agent, a nitroso salt foaming agent, an azo foaming agent and a sulfonyl hydrazide foaming agent.
In one embodiment, the foaming auxiliary agent is one or more of urea foaming auxiliary agents, phosphate foaming auxiliary agents, organic acid foaming auxiliary agents and metal salt foaming auxiliary agents.
In one embodiment, the cell regulator is one or more of quaternary ammonium salt, sulfonate, carboxylate, betaine, fatty alcohol-polyoxyethylene ether, nonylphenol polyoxyethylene ether, ethylene oxide/propylene oxide copolymer and alkanolamide.
The following will further illustrate the preparation method of the thermoplastic tough foamed adhesive tape provided by the present invention with reference to the examples.
Example 1
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
80 parts of styrene-based thermoplastic elastomer,
80 parts of polyvinyl chloride resin, namely 80 parts of polyvinyl chloride resin,
20 parts of calcium carbonate, namely, calcium carbonate,
50 parts of dioctyl phthalate, wherein the weight ratio of dioctyl phthalate,
5 parts of a calcium-zinc stabilizer, namely,
6 parts of a foaming agent, namely 6 parts of,
and 1 part of a foaming auxiliary agent.
2) Stirring the mixed main materials at a high speed for 350s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 160 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) carrying out surface treatment on the adhesive tape by adopting a novel micro-concave treatment machine;
5) foaming the adhesive plaster by adopting a foaming furnace at the foaming temperature of 200 DEG C
6) Embossing the adhesive tape by an embossing machine at the embossing temperature of 200 ℃.
Example 2
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
70 parts of diene thermoplastic elastomer,
90 parts of polyvinyl chloride resin, namely polyvinyl chloride resin,
30 parts of diatomite for treating the surface of the soil,
30 parts of cyclohexane diisononyl phthalate,
5 parts of a barium-zinc stabilizer, namely,
10 parts of a foaming agent, namely 10 parts of,
0.2 part of foaming auxiliary agent,
2.5 parts of a cell regulator.
2) Stirring the mixed main materials at a high speed for 300s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 130 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) carrying out surface water-based treatment on the adhesive tape by adopting a novel micro-concave treatment machine;
5) foaming the adhesive tape by adopting a foaming machine, wherein the foaming temperature is 180 ℃;
6) embossing the adhesive tape by using an embossing machine, wherein the embossing temperature is 145 ℃;
example 3
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
100 parts of polyurethane thermoplastic elastomer, namely 100 parts of polyurethane thermoplastic elastomer,
100 parts of polyvinyl chloride resin, namely 100 parts of polyvinyl chloride resin,
20 parts of calcium carbonate, namely, calcium carbonate,
50 parts of dimethyl phthalate (DMT), wherein,
3 parts of an organic tin stabilizer, namely 3 parts of organic tin stabilizer,
5 parts of a foaming agent, namely 5 parts of,
0.5 part of foaming auxiliary agent,
and 1.5 parts of a cell regulator.
2) Stirring the mixed main materials at a high speed for 550s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 180 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) carrying out surface treatment on the adhesive tape by adopting a novel micro-concave treatment machine;
5) foaming the adhesive tape by adopting a foaming machine, wherein the foaming temperature is 230 ℃;
6) embossing the adhesive tape by an embossing machine at the embossing temperature of 190 ℃.
7) And (3) carrying out surface water-based treatment gravure treatment on the tough adhesive tape by adopting a processor.
Example 4
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
50 parts of styrene-based thermoplastic elastomer,
70 parts of polyvinyl chloride resin, namely 70 parts of polyvinyl chloride resin,
20 parts of pottery clay, wherein the pottery clay comprises the following components,
50 parts of trioctyl Trimellitate (TRIOCL),
1 part of mixed metal stabilizer is added into the mixture,
5 parts of a foaming agent, namely 5 parts of,
and 1.5 parts of a cell regulator.
2) Stirring the mixed main materials at a high speed for 350s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 150 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) and (3) performing surface water-based micro-concave treatment on the adhesive tape by using a processor.
5) Foaming and embossing the adhesive tape by adopting a foaming furnace, wherein the foaming temperature is 220 ℃;
6) and (3) carrying out surface water-based gravure treatment on the tough adhesive tape by adopting a processor.
Example 5
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
90 parts of styrene-based thermoplastic elastomer,
60 parts of polyvinyl chloride resin, namely polyvinyl chloride resin,
10 parts of calcium carbonate, namely 10 parts of calcium carbonate,
40 parts of a phthalic diester, 40 parts of,
1 part of organic tin stabilizer, namely 1 part of organic tin stabilizer,
10 parts of a foaming agent, namely 10 parts of,
2 parts of a foaming auxiliary agent, namely,
2.5 parts of a cell regulator.
2) Stirring the mixed main materials at a high speed for 500s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 160 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) foaming the adhesive tape by adopting a foaming furnace, wherein the foaming temperature is 220 ℃;
5) carrying out surface water-based treatment on the adhesive tape by adopting a novel micro-concave treatment machine;
6) the adhesive tape was embossed using an embossing machine at an embossing temperature of 175 ℃.
Example 6
A preparation method of thermoplastic tough foamed adhesive tape comprises the following steps:
1) weighing the main materials in parts by mass and mixing the main materials in proportion;
85 parts of styrene thermoplastic elastomer (TPE),
70 parts of polyvinyl chloride resin, namely 70 parts of polyvinyl chloride resin,
20 parts of calcium carbonate, namely, calcium carbonate,
45 parts of dioctyl phthalate, namely 45 parts of dioctyl phthalate,
2 parts of an organic tin stabilizer, namely 2 parts of organic tin stabilizer,
3 parts of a foaming agent, namely 3 parts of,
0.5 part of cell regulator.
2) Stirring the mixed main materials at a high speed for 450s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the material, wherein the calendering temperature is 180 ℃, and then embossing, cooling and coiling the material to obtain a semi-finished product of the adhesive tape;
4) foaming and embossing the adhesive tape by adopting a foaming furnace, wherein the foaming temperature is 235 ℃;
5) and (3) carrying out surface water-based treatment on the adhesive tape by adopting a novel micro-concave treatment machine.
6) Embossing the adhesive tape by an embossing machine at the embossing temperature of 195 ℃.
7) And (3) carrying out surface water-based treatment on the tough adhesive tape by adopting a processor.
Test example 1
The mechanical property of the thermoplastic tough foaming adhesive tape is measured and compared with PVC artificial leather according to the standard of public door boards, and the detection result is as follows:
test example 2
The mechanical properties of the thermoplastic tough foaming adhesive tape are measured according to the popular middle decorative door panel standard and compared with the TPO adhesive tape PP foam standard, and the detection results are as follows
The results show that the tough foaming adhesive tape provided by the invention is a special structural material which is based on a thermoplastic elastomer and contains a large amount of bubbles, and the unique gas-solid two-phase structure endows the material with the advantages of excellent mechanical property, cohesiveness, impact resistance, mass ratio, sound insulation, heat insulation and the like, and is superior to common foaming materials.
The thermoplastic tough foamed adhesive tape provided by the invention has the advantages of simple preparation process and low cost. The physical properties of the obtained finished thermoplastic tough foaming adhesive tape can reach the standard of artificial leather, and simultaneously, the thermoplastic tough foaming adhesive tape has the high elasticity characteristic of an elastomer. Improves the quality of finished adhesive tapes, enlarges the application range, prolongs the service life and has good industrial production prospect.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (10)
1. The preparation method of the thermoplastic tough foamed adhesive tape is characterized by comprising the following steps:
1) mixing the main materials in proportion;
2) stirring the mixed main materials at a high speed for 200-350 s, and then carrying out banburying and gelling;
3) adopting a four-roller calender to calender the materials at the temperature of 130-180 ℃, and then embossing, cooling and coiling to obtain a semi-finished product of the adhesive tape;
4) foaming the adhesive tape by adopting a foaming furnace at the temperature of 180-230 ℃;
5) carrying out surface treatment on the adhesive tape by using a processor;
6) and embossing the adhesive tape by using an embossing machine.
2. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the main material comprises the following raw materials in parts by weight:
10 to 100 parts of a thermoplastic elastomer,
10-100 parts of polyvinyl chloride resin,
0 to 40 parts of a filler,
20-80 parts of a plasticizer, namely,
1-5 parts of a heat stabilizer,
3-20 parts of a foaming agent,
0 to 5 parts of a foaming auxiliary agent,
0-5 parts of a foam cell regulator.
3. The method for preparing thermoplastic tough foamed adhesive plaster according to claim 1, wherein the finished adhesive plaster is subjected to secondary surface treatment.
4. The method for preparing thermoplastic tough foamed adhesive tape according to claim 1, wherein the thermoplastic elastomer is one or more of styrene thermoplastic elastomer, olefin thermoplastic elastomer, diene thermoplastic elastomer, vinyl chloride thermoplastic elastomer, and polyurethane thermoplastic elastomer.
5. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the filler is one or more of calcium carbonate, argil, talc, diatomite, silica, mica powder and asbestos.
6. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the plasticizer is one or more of phthalate plasticizers, aliphatic/aromatic monocarboxylic acid ester plasticizers, aliphatic plasticizers, dicarboxylic acid ester plasticizers, polyester plasticizers, polycarboxylic acid ester plasticizers, phosphate plasticizers, polyol ester plasticizers, and cyclohexane ester plasticizers.
7. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the heat stabilizer is one or more of an organic tin stabilizer, a calcium zinc stabilizer, a barium zinc stabilizer, a rare earth stabilizer and a mixed metal stabilizer.
8. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the foaming agent is one or more of a carbonate foaming agent, a citrate foaming agent, a nitroso salt foaming agent, an azo foaming agent and a sulfonyl hydrazide foaming agent.
9. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the foaming auxiliary agent is one or more of urea foaming auxiliary agents, phosphate foaming auxiliary agents, organic acid foaming auxiliary agents and metal salt foaming auxiliary agents.
10. The method for preparing the thermoplastic tough foamed adhesive tape according to claim 1, wherein the cell regulator is one or more of quaternary ammonium salt, sulfonate, carboxylate, betaine, fatty alcohol polyoxyethylene ether, nonylphenol polyoxyethylene ether, ethylene oxide/propylene oxide copolymer and alkanolamide.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080110A (en) * | 2022-12-29 | 2023-05-09 | 太仓力九和塑胶工业有限公司 | Preparation process of elastic pad |
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| CN111926583A (en) * | 2020-09-08 | 2020-11-13 | 清远市腾翔皮革有限公司 | Environment-friendly PVC artificial leather and preparation method thereof |
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| CN116080110A (en) * | 2022-12-29 | 2023-05-09 | 太仓力九和塑胶工业有限公司 | Preparation process of elastic pad |
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