CN114774030A - Butyl type car light hot-melt sealant - Google Patents
Butyl type car light hot-melt sealant Download PDFInfo
- Publication number
- CN114774030A CN114774030A CN202210479660.7A CN202210479660A CN114774030A CN 114774030 A CN114774030 A CN 114774030A CN 202210479660 A CN202210479660 A CN 202210479660A CN 114774030 A CN114774030 A CN 114774030A
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- butyl
- melt sealant
- hot
- carbon black
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- 239000012943 hotmelt Substances 0.000 title claims abstract description 44
- 239000000565 sealant Substances 0.000 title claims abstract description 41
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 title claims abstract description 32
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 52
- 239000006229 carbon black Substances 0.000 claims abstract description 29
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims abstract description 26
- 229920002367 Polyisobutene Polymers 0.000 claims abstract description 26
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 26
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 26
- 229920005549 butyl rubber Polymers 0.000 claims abstract description 26
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 26
- 239000004014 plasticizer Substances 0.000 claims abstract description 26
- 239000011347 resin Substances 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 26
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 26
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 238000004898 kneading Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 239000004831 Hot glue Substances 0.000 abstract description 7
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- -1 vinyl carboxylic ester Chemical class 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
The invention discloses a butyl type car lamp hot-melt sealant, which comprises the following raw materials in parts by weight: 50-60 parts of butyl rubber, 40-50 parts of polyisobutylene, 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer. The butyl type car lamp hot-melt sealant prepared by the invention has good adhesion, peeling strength and heat resistance in the use process, and the service life of the hot-melt adhesive is prolonged; the cold flow property of the prepared butyl type car lamp hot-melt sealant is almost zero, the water vapor transmission rate is extremely low, and the condition of carbon black falling cannot occur.
Description
Technical Field
The invention relates to the technical field of hot melt adhesives, in particular to a butyl type car lamp hot melt sealant.
Background
The hot melt adhesive is a plastic adhesive, the physical state of which changes with the temperature change in a certain temperature range, and the chemical property of which is unchanged, is nontoxic and tasteless, and belongs to an environment-friendly chemical product.
When installing the lamp shade on the car light on the car, in order to increase the leakproofness between lamp shade and the automobile body, need set up hot melt sealant in its junction, but in the actual process because the lamp shade is long-time with outdoor contact, make the sealed environment of locating of hot melt complicated, thereby lead to the hot melt to seal the cohesiveness of gluing after long-time use to descend easily, simultaneously under summer high temperature weather, the sealed gluey cold flow phenomenon that can take place under high temperature of hot melt this moment, thereby influence the result of use.
Based on the technical scheme, the invention provides a butyl type car lamp hot-melt sealant.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a butyl type car lamp hot-melt sealant.
In order to achieve the purpose, the invention adopts the following technical scheme:
the butyl car light hot-melt sealant comprises the following raw materials in parts by weight: 50-60 parts of butyl rubber, 40-50 parts of polyisobutylene, 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer.
Preferably, the raw material formula of the butyl type car lamp hot melt sealant comprises the following raw materials in parts by weight: 53-60 parts of butyl rubber, 43-50 parts of polyisobutylene, 23-30 parts of carbon black, 7-10 parts of ethylene propylene rubber, 23-30 parts of calcium carbonate, 6-10 parts of hydrogenated rosin resin, 6-10 parts of vinyl carboxylate, 17-20 parts of silane coupling agent and 17-20 parts of plasticizer.
Preferably, the raw material formula of the butyl type car lamp hot melt sealant comprises the following raw materials in parts by weight: 55 parts of butyl rubber, 45 parts of polyisobutylene, 25 parts of carbon black, 8 parts of ethylene propylene rubber, 25 parts of calcium carbonate, 8 parts of hydrogenated rosin resin, 8 parts of vinyl carboxylate, 18 parts of silane coupling agent and 18 parts of plasticizer.
Preferably, the production process of the butyl-type car lamp hot-melt sealant comprises the following steps;
s1, preparing materials, namely preparing 50-60 parts of butyl rubber, 40-50 parts of polyisobutylene, 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylic ester, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 50-60 parts of butyl rubber and 40-50 parts of polyisobutylene into a preheated kneader for heating and kneading;
s4, kneading again, adding 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer when the temperature of the materials in the kneader reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl car light hot-melt sealant kneaded compound;
s5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
Preferably, the outlet of the screw extruder is provided with a screen having a mesh number of 20 to 30 for filtering foreign materials and solid particles when extruding the kneaded mass.
Preferably, in the steps S2-S4, the pressure inside the screw extruder is 0.10-0.15 MPa.
The invention has the following beneficial effects:
1. the butyl type car lamp hot-melt sealant prepared by the invention has good adhesion, peeling strength and heat resistance in the use process, and the service life of the hot-melt adhesive is prolonged.
2. The cold flow property of the prepared butyl type car lamp hot-melt sealant is almost zero, the water vapor transmission rate is extremely low, and the condition of carbon black falling cannot occur.
Detailed Description
The embodiments of the present invention will be described in detail by one or more embodiments, so that how to apply the technical means to solve the technical problems and achieve the technical effects can be fully understood and implemented. It should be noted that, as long as there is no conflict, the embodiments and the features of the embodiments of the present invention may be combined with each other, and the technical solutions formed by the embodiments are within the scope of the present invention.
Example 1
A raw material formula of the butyl type car light hot-melt sealant comprises the following raw materials in parts by weight: 50 parts of butyl rubber, 40 parts of polyisobutylene, 20 parts of carbon black, 6 parts of ethylene propylene rubber, 20 parts of calcium carbonate, 5 parts of hydrogenated rosin resin, 5 parts of vinyl carboxylate, 15 parts of silane coupling agent and 15 parts of plasticizer.
The process flow comprises the following steps:
s1, preparing materials, namely preparing 50 parts of butyl rubber, 40 parts of polyisobutylene, 20 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20 parts of calcium carbonate, 5 parts of hydrogenated rosin resin, 5 parts of vinyl carboxylate, 15 parts of silane coupling agent and 15 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 50 parts of butyl rubber and 40 parts of polyisobutylene into a preheated kneader to carry out heating kneading;
s4, kneading again, adding 20 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20 parts of calcium carbonate, 5 parts of hydrogenated rosin resin, 5 parts of vinyl carboxylate, 15 parts of silane coupling agent and 15 parts of plasticizer when the temperature of the materials in the kneading machine reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl automobile lamp hot-melt sealant kneaded compound;
and S5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
Example 2
The butyl type car light hot-melt sealant comprises the following raw materials in parts by weight: 53 parts of butyl rubber, 43 parts of polyisobutylene, 23 parts of carbon black, 7 parts of ethylene propylene rubber, 23 parts of calcium carbonate, 6 parts of hydrogenated rosin resin, 6 parts of vinyl carboxylate, 17 parts of silane coupling agent and 17 parts of plasticizer.
The process flow comprises the following steps:
s1, preparing materials, namely preparing 53 parts of butyl rubber, 43 parts of polyisobutylene, 23 parts of carbon black, 7 parts of ethylene propylene rubber, 23 parts of calcium carbonate, 6 parts of hydrogenated rosin resin, 6 parts of vinyl carboxylate, 17 parts of silane coupling agent and 17 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 53 parts of butyl rubber and 43 parts of polyisobutylene into a preheated kneader to carry out heating kneading;
s4, kneading again, adding 23 parts of carbon black, 7 parts of ethylene propylene rubber, 23 parts of calcium carbonate, 6 parts of hydrogenated rosin resin, 6 parts of vinyl carboxylate, 17 parts of silane coupling agent and 17 parts of plasticizer when the temperature of the materials in the kneading machine reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl car light hot-melt sealant kneaded compound;
and S5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
Example 3
A raw material formula of the butyl type car light hot-melt sealant comprises the following raw materials in parts by weight: 55 parts of butyl rubber, 45 parts of polyisobutylene, 25 parts of carbon black, 8 parts of ethylene propylene rubber, 25 parts of calcium carbonate, 8 parts of hydrogenated rosin resin, 8 parts of vinyl carboxylate, 18 parts of silane coupling agent and 18 parts of plasticizer.
The process flow comprises the following steps:
s1, preparing materials, namely preparing 55 parts of butyl rubber, 45 parts of polyisobutylene, 25 parts of carbon black, 8 parts of ethylene propylene rubber, 25 parts of calcium carbonate, 8 parts of hydrogenated rosin resin, 8 parts of vinyl carboxylate, 18 parts of silane coupling agent and 18 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 55 parts of butyl rubber and 45 parts of polyisobutylene into a preheated kneading machine for heating and kneading;
s4, kneading again, adding 25 parts of carbon black, 8 parts of ethylene propylene rubber, 25 parts of calcium carbonate, 8 parts of hydrogenated rosin resin, 8 parts of vinyl carboxylate, 18 parts of silane coupling agent and 18 parts of plasticizer when the temperature of the materials in the kneading machine reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl automobile lamp hot-melt sealant kneaded compound;
and S5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
Example 4
The butyl type car light hot-melt sealant comprises the following raw materials in parts by weight: 57 parts of butyl rubber, 47 parts of polyisobutylene, 17 parts of carbon black, 9 parts of ethylene propylene rubber, 28 parts of calcium carbonate, 9 parts of hydrogenated rosin resin, 9 parts of vinyl carboxylate, 19 parts of silane coupling agent and 19 parts of plasticizer.
The process flow comprises the following steps:
s1, preparing materials, namely preparing 57 parts of butyl rubber, 47 parts of polyisobutylene, 17 parts of carbon black, 9 parts of ethylene propylene rubber, 28 parts of calcium carbonate, 9 parts of hydrogenated rosin resin, 9 parts of vinyl carboxylate, 19 parts of silane coupling agent and 19 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 57 parts of butyl rubber and 47 parts of polyisobutylene into a preheated kneader for heating and kneading;
s4, kneading again, adding 17 parts of carbon black, 9 parts of ethylene propylene rubber, 28 parts of calcium carbonate, 9 parts of hydrogenated rosin resin, 9 parts of vinyl carboxylate, 19 parts of silane coupling agent and 19 parts of plasticizer when the temperature of the materials in the kneading machine reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl car light hot-melt sealant kneaded compound;
and S5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
Example 5
The butyl type car light hot-melt sealant comprises the following raw materials in parts by weight: 60 parts of butyl rubber, 50 parts of polyisobutylene, 30 parts of carbon black, 10 parts of ethylene propylene rubber, 30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 10 parts of vinyl carboxylate, 20 parts of silane coupling agent and 20 parts of plasticizer.
The process flow comprises the following steps:
s1, preparing materials, namely preparing 60 parts of butyl rubber, 50 parts of polyisobutylene, 30 parts of carbon black, 10 parts of ethylene propylene rubber, 30 parts of calcium carbonate, 10 parts of hydrogenated rosin resin, 10 parts of vinyl carboxylate, 20 parts of silane coupling agent and 20 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 60 parts of butyl rubber and 50 parts of polyisobutylene into a preheated kneader for heating and kneading;
s4, kneading again, adding 30 parts of carbon black, 10 parts of ethylene propylene rubber, 30 parts of calcium carbonate, 10 parts of hydrogenated rosin resin, 10 parts of vinyl carboxylate, 20 parts of silane coupling agent and 20 parts of plasticizer when the temperature of the materials in the kneading machine reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl car light hot-melt sealant kneaded compound;
and S5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
The butyl type car lamp hot melt sealant prepared by the invention has good adhesion, peeling strength and heat resistance in the use process, and the service life is prolonged, meanwhile, the cold flow property of the butyl type car lamp hot melt sealant prepared by the invention is almost zero, the water vapor transmission rate is extremely low, and the condition of carbon black falling cannot occur.
In order to test the effect of the butyl-type automobile lamp hot-melt sealant, the hot-melt adhesives prepared in different embodiments are used on the same automobile lamp, and after the hot-melt adhesives are used for the same time in the same environment, the adhesiveness, the cold flow property and the peel strength of the butyl-type automobile lamp hot-melt sealant are tested, and the experimental results are as follows:
| hot melt adhesive using the scheme | Adhesion (%) | Cold flow property (%) | Peel strength (N) |
| Example 1 | 85 | 3 | 92 |
| Example 2 | 80 | 1 | 95 |
| Example 3 | 95 | 0.2 | 98 |
| Example 4 | 70 | 1.5 | 96 |
| Example 5 | 75 | 2 | 93 |
The experimental data show that the butyl-type car lamp hot-melt sealant in the embodiment 3 has good adhesiveness, cold flow property and peel strength, and has good application prospect.
Although the 5 embodiments of the present invention have been described in detail, the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The butyl type car light hot-melt sealant is characterized by comprising the following raw materials in parts by weight: 50-60 parts of butyl rubber, 40-50 parts of polyisobutylene, 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer.
2. The butyl car lamp hot-melt sealant according to claim 1, wherein the raw material formula of the butyl car lamp hot-melt sealant comprises the following raw materials in parts by weight: 53-60 parts of butyl rubber, 43-50 parts of polyisobutylene, 23-30 parts of carbon black, 7-10 parts of ethylene propylene rubber, 23-30 parts of calcium carbonate, 6-10 parts of hydrogenated rosin resin, 6-10 parts of vinyl carboxylate, 17-20 parts of silane coupling agent and 17-20 parts of plasticizer.
3. The butyl type car lamp hot-melt sealant as claimed in claim 1, wherein the raw material formula of the butyl type car lamp hot-melt sealant comprises the following raw materials in parts by weight: 55 parts of butyl rubber, 45 parts of polyisobutylene, 25 parts of carbon black, 8 parts of ethylene propylene rubber, 25 parts of calcium carbonate, 8 parts of hydrogenated rosin resin, 8 parts of vinyl carboxylate, 18 parts of silane coupling agent and 18 parts of plasticizer.
4. The butyl-type car lamp hot melt sealant according to claim 1, wherein the production process of the butyl-type car lamp hot melt sealant comprises the following steps;
s1, preparing materials, namely preparing 50-60 parts of butyl rubber, 40-50 parts of polyisobutylene, 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer;
s2, preheating, namely preheating the kneader to 80-90 ℃;
s3, kneading, namely adding 50-60 parts of butyl rubber and 40-50 parts of polyisobutylene into a preheated kneader to carry out heating kneading;
s4, kneading again, adding 20-30 parts of carbon black, 6-10 parts of ethylene propylene rubber, 20-30 parts of calcium carbonate, 5-10 parts of hydrogenated rosin resin, 5-10 parts of vinyl carboxylate, 15-20 parts of silane coupling agent and 15-20 parts of plasticizer when the temperature of the materials in the kneader reaches 100-120 ℃, and continuously kneading for 1-2H to obtain the butyl car light hot-melt sealant kneaded compound;
s5, extruding, namely adding the kneaded mass obtained in the step S4 into a screw extruder, and extruding, cooling and molding the kneaded mass.
5. The butyl-type automotive lamp hot-melt sealant according to claim 4, wherein in the step S5, the outlet of the screw extruder is provided with a filter screen with 20-30 meshes for filtering impurities and solid particles during extrusion of the kneaded material.
6. The butyl-type vehicular lamp hot-melt sealant according to claim 4, wherein in the steps S2-S4, the pressure inside the screw extruder is 0.10-0.15 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479660.7A CN114774030A (en) | 2022-05-05 | 2022-05-05 | Butyl type car light hot-melt sealant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479660.7A CN114774030A (en) | 2022-05-05 | 2022-05-05 | Butyl type car light hot-melt sealant |
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| Publication Number | Publication Date |
|---|---|
| CN114774030A true CN114774030A (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210479660.7A Pending CN114774030A (en) | 2022-05-05 | 2022-05-05 | Butyl type car light hot-melt sealant |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399521A (en) * | 2010-09-17 | 2012-04-04 | 成都硅宝科技股份有限公司 | Hot melt butyl sealant for hollow glass and manufacture method thereof |
| JP2015163666A (en) * | 2014-01-31 | 2015-09-10 | アイカ工業株式会社 | Heat-resistant hot-melt composition |
| CN106520024A (en) * | 2016-10-28 | 2017-03-22 | 天长市永泰密封材料有限公司 | Antibacterial and flame retardant hot-melt butyl sealant for hollow glass and preparation method thereof |
| CN109401684A (en) * | 2018-08-23 | 2019-03-01 | 科顺防水科技股份有限公司 | A kind of high cohesive strength hot melt butyl rubber and preparation method thereof |
-
2022
- 2022-05-05 CN CN202210479660.7A patent/CN114774030A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102399521A (en) * | 2010-09-17 | 2012-04-04 | 成都硅宝科技股份有限公司 | Hot melt butyl sealant for hollow glass and manufacture method thereof |
| JP2015163666A (en) * | 2014-01-31 | 2015-09-10 | アイカ工業株式会社 | Heat-resistant hot-melt composition |
| CN106520024A (en) * | 2016-10-28 | 2017-03-22 | 天长市永泰密封材料有限公司 | Antibacterial and flame retardant hot-melt butyl sealant for hollow glass and preparation method thereof |
| CN109401684A (en) * | 2018-08-23 | 2019-03-01 | 科顺防水科技股份有限公司 | A kind of high cohesive strength hot melt butyl rubber and preparation method thereof |
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Application publication date: 20220722 |