CN115160720A - Rheological rubber for high-molecular sheet hot-melt pressure-sensitive adhesive and preparation method thereof - Google Patents
Rheological rubber for high-molecular sheet hot-melt pressure-sensitive adhesive and preparation method thereof Download PDFInfo
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- CN115160720A CN115160720A CN202110909814.7A CN202110909814A CN115160720A CN 115160720 A CN115160720 A CN 115160720A CN 202110909814 A CN202110909814 A CN 202110909814A CN 115160720 A CN115160720 A CN 115160720A
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 49
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 12
- 239000012943 hotmelt Substances 0.000 title claims abstract description 12
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 27
- 229920003049 isoprene rubber Polymers 0.000 claims abstract description 13
- 239000000654 additive Substances 0.000 claims abstract description 10
- 125000000524 functional group Chemical group 0.000 claims abstract description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 36
- 239000011787 zinc oxide Substances 0.000 claims description 29
- 238000002156 mixing Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 15
- 238000004073 vulcanization Methods 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000004793 Polystyrene Substances 0.000 claims description 10
- 229920001400 block copolymer Polymers 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- 229920002223 polystyrene Polymers 0.000 claims description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 9
- 238000003801 milling Methods 0.000 claims description 9
- 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 description 6
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 6
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 239000006229 carbon black Substances 0.000 claims description 5
- 238000010309 melting process Methods 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 4
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 4
- 239000011976 maleic acid Substances 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- UXKQNCDDHDBAPD-UHFFFAOYSA-N 4-n,4-n-diphenylbenzene-1,4-diamine Chemical compound C1=CC(N)=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 UXKQNCDDHDBAPD-UHFFFAOYSA-N 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 claims description 2
- 239000001530 fumaric acid Substances 0.000 claims description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 6
- 230000004048 modification Effects 0.000 abstract description 2
- 238000012986 modification Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 description 7
- 230000003712 anti-aging effect Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 229920001195 polyisoprene Polymers 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- 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
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- C08F287/00—Macromolecular compounds obtained by polymerising monomers on to block polymers
-
- 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
- C08J2351/00—Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
-
- 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
- C08J2409/00—Characterised by the use of homopolymers or copolymers of conjugated diene hydrocarbons
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- 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
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
- C08K5/18—Amines; Quaternary ammonium compounds with aromatically bound amino groups
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
Abstract
The invention discloses rheological rubber for a high polymer sheet hot-melt pressure-sensitive adhesive and a preparation method thereof. The modified SBC thermoplastic rubber was blended with multi-arm spherical low molecular weight isoprene rubber and other additives. The SBC thermoplastic rubber contains polar functional groups through polarity modification and can be bonded with a polar substrate, the multi-arm spherical molecular structure of the isoprene rubber not only provides excellent fluidity, but also greatly improves the cohesive force through molecular weight adjustment, and the contradiction between processability and mechanical property is solved.
Description
Technical Field
The invention relates to the technical field of C08K13/02 rubber, in particular to rheological rubber for a high-molecular sheet hot-melt pressure-sensitive adhesive and a preparation method thereof.
Background
The rheological rubber for the high polymer sheet hot-melt pressure-sensitive adhesive generally has the problem that the flowability of the rheological rubber is reduced due to the high molecular weight of the high polymer, the existing solution generally attempts to change the flowability of the rheological rubber by adding a flow aid, and the impact strength of the rubber is influenced by the content of the added flow aid.
In order to avoid the influence on the rubber performance in the preparation process of the flowable rubber, the invention patent with the publication number of CN110475824A discloses a rubber composite material, and the published patent proposes that the mechanical performance of the rubber and the stability of the composition are improved by adding mineral powder in the preparation process of the rubber, but when the mineral powder is added in the rubber, the type of the powder and the particle size of the particles have great influence on the compatibility and the change condition of the mechanical performance in the preparation process of the material.
Disclosure of Invention
In order to solve the problems that the rheological rubber has low molecular weight and low fluidity and is not bonded with a polar substrate, the invention provides a rheological rubber for a high-molecular sheet hot-melt pressure-sensitive adhesive, which is prepared from at least the following raw materials: modified SBC thermoplastic rubber, isoprene rubber, N' -diphenyl-p-phenylenediamine and other additives;
the average molecular weight of the isoprene rubber is 5000-100000.
In a preferred embodiment, the modified SBC thermoplastic rubber is prepared by graft reaction of SBC thermoplastic rubber with polar functional group-containing monomers and initiators.
More preferably, the SBC thermoplastic rubber is selected from one of a polystyrene-polybutadiene-polystyrene block copolymer and a polystyrene-polyisoprene-polystyrene block copolymer.
More preferably, the polar functional group-containing monomer is an unsaturated carboxylic acid.
More preferably, the unsaturated carboxylic acid is selected from one or a combination of more of maleic acid, acrylic acid, methacrylic acid, itaconic acid and fumaric acid.
More preferably, the initiator is at least one selected from the group consisting of di-tert-butyl peroxide and azobisisobutyronitrile.
As a preferred embodiment, the other additives include 10 to 40 parts by weight of naphthenic oil, 5 to 15 parts by weight of carbon black, 20 to 30 parts by weight of light calcium carbonate, 1 to 5 parts by weight of zinc oxide, 1 to 3 parts by weight of stearic acid, and 0.1 to 2 parts by weight of sulfur.
As a preferred embodiment, the zinc oxide is nano zinc oxide.
As a preferred embodiment, the particle size of the zinc oxide is 10-500nm.
More preferably, the particle size of the zinc oxide is 10-100nm.
Further preferably, the zinc oxide is spherical nano zinc oxide.
More preferably, the particle size of the spherical nano zinc oxide is 20-30nm.
Spherical nano zinc oxide, model Z713, was purchased from guangzhou hongwu materials science and technology ltd.
In the experimental process, the applicant finds that the mechanical property stability of the prepared rubber can be improved by adding the nano zinc oxide into the system, and the particle size of the selected zinc oxide is 20-30nm, so that the better compatibility can be ensured, the adhesion property among rubber molecular chains can be enhanced, an interconnected network structure is formed among the molecular chains, the phenomenon that when the rubber is subjected to the action of external force is avoided, the local stress concentration can be avoided, and the impact resistance is improved.
The second aspect of the invention provides a preparation method of rheological rubber for a high polymer sheet hot melt pressure sensitive adhesive, which comprises the following steps:
1) Adding unsaturated carboxylic acid into SBC thermoplastic rubber, mixing for 1-10 minutes in a molten state, then adding an initiator, continuously mixing for 1-10 minutes in the molten state, and carrying out the whole melting process under the protection of nitrogen to obtain modified SBC thermoplastic rubber;
2) Putting the modified SBC thermoplastic rubber and isoprene rubber obtained in the step 1) into an open mill for open milling according to parts by weight, wherein the roll spacing of the open mill is 0.8-1 mm, performing thin passing for 5-30 times, cooling for 1-2 hours, and performing thin passing for 10-20 times to obtain a mixed rubber material;
3) The mixed rubber material obtained in the step 2) and other additives are sent into an internal mixer for internal mixing, the temperature of the internal mixer is 80-150 ℃, and the internal mixing is carried out for 3-20 minutes;
4) Tabletting the material obtained after banburying, and putting the material into a cooling tank for cooling for 10-16 hours;
5) And putting the cooled material into a vulcanizing machine for vulcanization at the temperature of 100-155 ℃ for 360-400 seconds under the machine pressure of 14-16 MPa, and obtaining the material after the vulcanization is finished.
Compared with the prior art, the invention has the following beneficial effects:
(1) The SBC thermoplastic rubber is subjected to polarity modification, so that the compatibility of the SBC thermoplastic rubber and a polar substance is increased;
(2) The modified SBC rubber and the isoprene rubber are blended, the multi-arm spherical molecular structure of the isoprene rubber provides excellent fluidity, the cohesion is greatly improved through the adjustment of medium and low molecular weight, and the contradiction between the processability and the mechanical property is solved.
Detailed Description
Example 1
Example 1 provides a rheological rubber for a high polymer sheet hot melt pressure sensitive adhesive. The preparation method is completed by the following raw materials in parts by weight: 120 parts of polystyrene-polyisoprene-polystyrene block copolymer, 6 parts of maleic acid, 2 parts of azobisisobutyronitrile, 45 parts of polyisoprene, 25 parts of naphthenic oil, 8 parts of carbon black, 25 parts of light calcium carbonate, 4 parts of zinc oxide, 1.4 parts of stearic acid, 0.8 part of promoter CZ, 0.2 part of promoter D, 0.25 part of anti-aging agent 4010, 0.3 part of anti-aging agent RD, 0.2 part of promoter TT and 1 part of sulfur.
Polystyrene-polyisoprene-polystyrene block copolymer: shell chemical company, USA;
polyisoprene: arnststoke chemical industry, inc. (Nantong);
the particle size of the spherical nano zinc oxide is 20-30nm.
Spherical nano zinc oxide, model Z713, was purchased from guangzhou hongwu materials science and technology ltd.
The preparation method of the rheological rubber comprises the following steps:
1) Adding unsaturated carboxylic acid into SBC thermoplastic rubber, mixing for 1-10 minutes in a molten state, then adding an initiator, continuously mixing for 8 minutes in the molten state, and carrying out the whole melting process under the protection of nitrogen to obtain modified SBC thermoplastic rubber;
2) Placing the modified SBC thermoplastic rubber and isoprene rubber obtained in the step 1) into an open mill for open milling according to the parts by weight, wherein the roll spacing of the open mill is 1mm, performing thin passing for 12 times, cooling for 1.5 hours, and performing thin passing for 15 times to obtain a mixed rubber material;
3) Conveying the mixed rubber material obtained in the step 2) and other additives into an internal mixer for internal mixing, wherein the temperature of the internal mixer is 120 ℃, and the internal mixing is carried out for 10 minutes;
4) Tabletting the material obtained after banburying, and putting the material into a cooling tank for cooling for 12 hours;
5) And (3) putting the cooled material into a vulcanizing machine for vulcanization at the vulcanization temperature of 140 ℃ for 380 seconds and the machine pressure of 15MPa, and obtaining the material after the vulcanization is finished.
Comparative example 1
Comparative example 1 provides a rheological rubber for a high molecular sheet hot melt pressure sensitive adhesive. The preparation method is completed by the following raw materials in parts by weight: 120 parts of polystyrene-polyisoprene-polystyrene block copolymer, 6 parts of maleic acid, 2 parts of dicumyl peroxide, 45 parts of polyisoprene, 25 parts of naphthenic oil, 8 parts of carbon black, 25 parts of light calcium carbonate, 4 parts of zinc oxide, 1.4 parts of stearic acid, 0.8 part of promoter CZ, 0.2 part of promoter D, 0.25 part of anti-aging agent 4010, 0.3 part of anti-aging agent RD, 0.2 part of promoter TT and 1 part of sulfur.
Polystyrene-polyisoprene-polystyrene block copolymer: shell chemical company, USA;
polyisoprene: arnststoke chemical industry, inc. (Nantong);
the particle size of the spherical nano zinc oxide is 20-30nm.
Spherical nano zinc oxide, model Z713, available from guangzhou martial materials science and technology ltd.
The preparation method of the rheological rubber comprises the following steps:
1) Adding unsaturated carboxylic acid into SBC thermoplastic rubber, mixing for 1-10 minutes in a molten state, then adding an initiator, continuously mixing for 8 minutes in the molten state, and carrying out the whole melting process under the protection of nitrogen to obtain modified SBC thermoplastic rubber;
2) Placing the modified SBC thermoplastic rubber and isoprene rubber obtained in the step 1) into an open mill for open milling according to the parts by weight, wherein the roll gap of the open mill is 1mm, performing thin milling for 12 times, cooling for 1.5 hours, and performing thin milling for 15 times to obtain a mixed rubber material;
3) Conveying the mixed rubber material obtained in the step 2) and other additives into an internal mixer for internal mixing, wherein the temperature of the internal mixer is 120 ℃, and the internal mixing is carried out for 10 minutes;
4) Tabletting the material obtained after banburying, and putting the material into a cooling tank for cooling for 12 hours;
5) And (3) putting the cooled material into a vulcanizing machine for vulcanization at the vulcanization temperature of 140 ℃ for 380 seconds and under the machine pressure of 15MPa, and obtaining the material after vulcanization.
Comparative example 2
Comparative example 2 provides a rheological rubber for a high molecular sheet hot melt pressure sensitive adhesive. The preparation method is completed by the following raw materials in parts by weight: 120 parts of polystyrene-polyisoprene-polystyrene block copolymer, 5 parts of polyisoprene, 25 parts of naphthenic oil, 8 parts of carbon black, 25 parts of light calcium carbonate, 4 parts of zinc oxide, 1.4 parts of stearic acid, 0.8 part of promoter CZ, 0.2 part of promoter D, 0.25 part of anti-aging agent 4010, 0.3 part of anti-aging agent RD, 0.2 part of promoter TT and 1 part of sulfur.
Polystyrene-polyisoprene-polystyrene block copolymer: shell chemical, USA;
polyisoprene: arnststoke chemical industry, inc. (Nantong);
the particle size of the spherical nano zinc oxide is 20-30nm.
Spherical nano zinc oxide, model Z713, was purchased from guangzhou hongwu materials science and technology ltd.
The preparation method of the rheological rubber comprises the following steps:
1) Adding unsaturated carboxylic acid into SBC thermoplastic rubber, mixing for 1-10 minutes in a molten state, then adding an initiator, continuously mixing for 8 minutes in the molten state, and carrying out the whole melting process under the protection of nitrogen to obtain modified SBC thermoplastic rubber;
2) Placing the modified SBC thermoplastic rubber and isoprene rubber obtained in the step 1) into an open mill for open milling according to the parts by weight, wherein the roll gap of the open mill is 1mm, performing thin milling for 12 times, cooling for 1.5 hours, and performing thin milling for 15 times to obtain a mixed rubber material;
3) Conveying the mixed rubber material obtained in the step 2) and other additives into an internal mixer for internal mixing, wherein the temperature of the internal mixer is 120 ℃, and the internal mixing is carried out for 10 minutes;
4) Tabletting the material obtained after banburying, and putting the material into a cooling tank for cooling for 12 hours;
5) And (3) putting the cooled material into a vulcanizing machine for vulcanization at the vulcanization temperature of 140 ℃ for 380 seconds and the machine pressure of 15MPa, and obtaining the material after the vulcanization is finished.
Comparative example 3
The specific implementation mode of the rheological rubber for the high polymer sheet hot-melt pressure-sensitive adhesive is the same as that in example 1, and is different from example 1 in that zinc oxide is rod-shaped nano zinc oxide, the diameter of the zinc oxide is 17nm, the length of the zinc oxide is 130nm, and the zinc oxide is a model Z715 which is purchased from Guangzhou Hongwu materials science and technology Limited company. .
Performance test
The examples and comparative examples were subjected to performance tests according to the following methods. The results are shown in Table 1.
(1) Melt flow rate ((g/10min, 150 ℃)/g): the melt flow rate was measured according to ASTM D-1238.
(2) Izod impact Strength (Izod impact Strength) (KJ/m) 2 ): izod impact strength was measured according to ASTM D256 with 1/8 "thick samples.
TABLE 1
Claims (10)
1. A rheological rubber for a high-molecular sheet hot-melt pressure-sensitive adhesive is characterized by at least comprising the following preparation raw materials: modified SBC thermoplastic rubber, isoprene rubber, N' -diphenyl-p-phenylenediamine and other additives;
the average molecular weight of the isoprene rubber is 5000-100000.
2. The rheological rubber of claim 1, wherein the modified SBC thermoplastic rubber is prepared by graft reaction of SBC thermoplastic rubber with a polar functional group-containing monomer and an initiator.
3. The rheological rubber of claim 2, wherein the SBC thermoplastic rubber is selected from one of a polystyrene-polybutadiene-polystyrene block copolymer and a polystyrene-polyisoprene-polystyrene block copolymer.
4. The rheological rubber of claim 3, wherein the polar functional group-containing monomer is an unsaturated carboxylic acid.
5. The rheological rubber according to claim 4, wherein the unsaturated carboxylic acid is selected from one or more of maleic acid, acrylic acid, methacrylic acid, itaconic acid, fumaric acid, and combinations thereof.
6. The rheological rubber of claim 2, wherein the initiator is at least one selected from the group consisting of di-t-butyl peroxide and azobisisobutyronitrile.
7. Rheological rubber according to claim 1, characterized in that the other additives comprise 10-40 parts by weight of naphthenic oil, 5-15 parts by weight of carbon black, 20-30 parts by weight of light calcium carbonate, 1-5 parts by weight of zinc oxide, 1-3 parts by weight of stearic acid, 0.1-2 parts by weight of sulphur.
8. The rheological rubber of claim 7, wherein the zinc oxide is nano zinc oxide.
9. The rheological rubber according to claim 8, wherein the zinc oxide has a particle size of 10-500nm.
10. A method for preparing a rheological rubber according to any one of claims 4 to 9, characterized in that it comprises the following steps:
1) Adding unsaturated carboxylic acid into SBC thermoplastic rubber, mixing for 1-10 minutes in a molten state, then adding an initiator, continuously mixing for 1-10 minutes in the molten state, and carrying out the whole melting process under the protection of nitrogen to obtain modified SBC thermoplastic rubber;
2) Putting the modified SBC thermoplastic rubber and isoprene rubber obtained in the step 1) into an open mill for open milling according to the parts by weight, wherein the roll gap of the open mill is 0.8-1 mm, thinly passing for 5-30 times, cooling for 1-2 hours, and thinly passing for 10-20 times to obtain a mixed rubber material;
3) The mixed rubber material obtained in the step 2) and other additives are sent into an internal mixer for internal mixing, the temperature of the internal mixer is 80-150 ℃, and the internal mixing is carried out for 3-20 minutes;
4) Tabletting the material obtained after banburying, and putting the material into a cooling tank for cooling for 10-16 hours;
5) And putting the cooled material into a vulcanizing machine for vulcanization at the vulcanization temperature of 100-155 ℃ for 360-400 seconds and the machine pressure of 14-16 MPa, and obtaining the material after vulcanization.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692978A (en) * | 1979-12-26 | 1981-07-28 | Asahi Chem Ind Co Ltd | Hot-melt adhesive composition |
| WO1998050465A1 (en) * | 1997-05-02 | 1998-11-12 | Dsm N.V. | Thermoplastic elastomer composition adapted for adhesion to polar materials |
| US20080038549A1 (en) * | 2006-08-14 | 2008-02-14 | General Electric Company | Composite structure |
| CN103980557A (en) * | 2014-05-29 | 2014-08-13 | 南京东亚橡塑制品有限公司 | High-fluidity rubber material and preparation method thereof |
| CN105524357A (en) * | 2014-09-29 | 2016-04-27 | 中国石油化工股份有限公司 | Thermoplastic vulcanizate and preparation method thereof |
| CN108165205A (en) * | 2016-12-08 | 2018-06-15 | 北京橡胶工业研究设计院有限公司 | A kind of hot-melt adhesive composition and its application method |
| WO2018130188A1 (en) * | 2017-01-13 | 2018-07-19 | 杭州星庐科技有限公司 | Rubber composite, processing method, rubber belt and rubber roller applying composite, and manufacturing method |
| CN110862780A (en) * | 2019-11-29 | 2020-03-06 | 苏州世华新材料科技股份有限公司 | TPU (thermoplastic polyurethane) base material pressure-sensitive adhesive capable of being reworked under load bearing condition and equipment using pressure-sensitive adhesive |
| CN112322233A (en) * | 2020-11-23 | 2021-02-05 | 广东能辉新材料科技有限公司 | Hot-melt pressure-sensitive adhesive containing modified SIS thermoplastic elastomer and preparation method thereof |
-
2021
- 2021-08-09 CN CN202110909814.7A patent/CN115160720B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5692978A (en) * | 1979-12-26 | 1981-07-28 | Asahi Chem Ind Co Ltd | Hot-melt adhesive composition |
| WO1998050465A1 (en) * | 1997-05-02 | 1998-11-12 | Dsm N.V. | Thermoplastic elastomer composition adapted for adhesion to polar materials |
| US20080038549A1 (en) * | 2006-08-14 | 2008-02-14 | General Electric Company | Composite structure |
| CN103980557A (en) * | 2014-05-29 | 2014-08-13 | 南京东亚橡塑制品有限公司 | High-fluidity rubber material and preparation method thereof |
| CN105524357A (en) * | 2014-09-29 | 2016-04-27 | 中国石油化工股份有限公司 | Thermoplastic vulcanizate and preparation method thereof |
| CN108165205A (en) * | 2016-12-08 | 2018-06-15 | 北京橡胶工业研究设计院有限公司 | A kind of hot-melt adhesive composition and its application method |
| WO2018130188A1 (en) * | 2017-01-13 | 2018-07-19 | 杭州星庐科技有限公司 | Rubber composite, processing method, rubber belt and rubber roller applying composite, and manufacturing method |
| CN110862780A (en) * | 2019-11-29 | 2020-03-06 | 苏州世华新材料科技股份有限公司 | TPU (thermoplastic polyurethane) base material pressure-sensitive adhesive capable of being reworked under load bearing condition and equipment using pressure-sensitive adhesive |
| CN112322233A (en) * | 2020-11-23 | 2021-02-05 | 广东能辉新材料科技有限公司 | Hot-melt pressure-sensitive adhesive containing modified SIS thermoplastic elastomer and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| AIMIN, Z 等: "Chemical initiation mechanism of maleic anhydride grafted onto styrene-butadiene-styrene block copolymer", 《EUROPEAN POLYMER JOURNAL》, vol. 39, no. 6, pages 1291 - 1295, XP004420904, DOI: 10.1016/S0014-3057(02)00371-3 * |
| 华丽丽 等: "C5树脂对SIS/RLPO基热熔压敏胶性能的影响", 《中国胶粘剂》, vol. 20, no. 6, pages 27 - 31 * |
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