Water-resistant pressure-sensitive adhesive and preparation process thereof

A pressure-sensitive adhesive and preparation technology, applied in the direction of adhesives, adhesive additives, adhesive types, etc., can solve the problems of residue and small peeling, and achieve improved viscosity, good initial tack, heat resistance and The effect of improving weather resistance

Inactive Publication Date: 2018-07-13
四川鑫桂湖防水保温节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a waterproof pressure-sensitive adhesive for the above-mentioned phenomenon that the existing hot-melt pressure-sensitive adhesive does not peel much, which leads to the problem of residue after peeling off.

Method used

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  • Water-resistant pressure-sensitive adhesive and preparation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A waterproof pressure-sensitive adhesive, the pressure-sensitive adhesive comprises the following mass components of raw materials: 60 parts of SIS; 15 parts of SBS; 50 parts of naphthenic oil; 30 parts of C5 petroleum resin; 80 parts of filler; 1 part of oxidant; 1 part of isobutyl triethoxy silicon; the mass components of the pressure-sensitive adhesive also include: 30 parts of styrene-butadiene rubber; 20 parts of polyisobutylene rubber;

[0024] The filler is at least one of zinc oxide, marble powder, porcelain powder and glass powder; the antioxidant is zinc ethylphenyl dithiocarbamate, N, N-dibutylcarbamate zinc and at least one of 2,6-di-tert-butyl-p-cresol.

[0025] A preparation process of a waterproof pressure-sensitive adhesive, comprising the following steps:

[0026] (1) Take SIS, SBS, naphthenic oil, C5 petroleum resin, fillers, antioxidants, isobutyl triethoxy silicon according to the mass components, and add them to the reaction kettle, blow nitrogen, ...

Embodiment 2

[0030] A waterproof pressure-sensitive adhesive, the pressure-sensitive adhesive comprises the following raw materials of mass components: 100 parts of SIS; 20 parts of SBS; 80 parts of naphthenic oil; 60 parts of C5 petroleum resin; 100 parts of filler; 1.5 parts of oxidant; 3 parts of isobutyl triethoxy silicon; the mass components of the pressure-sensitive adhesive also include: 50 parts of styrene-butadiene rubber; 25 parts of polyisobutylene rubber; the fillers are zinc oxide, marble powder , at least one of porcelain powder and glass powder; the antioxidant is zinc ethylphenyl dithiocarbamate, N, N-dibutylzinc dithiocarbamate and 2,6-di-tert-butyl at least one of p-cresol.

[0031] A preparation process of a waterproof pressure-sensitive adhesive, comprising the following steps:

[0032] (1) Take SIS, SBS, naphthenic oil, C5 petroleum resin, fillers, antioxidants, isobutyl triethoxy silicon according to the mass components, and add them to the reaction kettle, blow nitr...

Embodiment 3

[0036] A waterproof pressure-sensitive adhesive, the pressure-sensitive adhesive comprises the following mass components of raw materials: 90 parts of SIS; 18 parts of SBS; 70 parts of naphthenic oil; 70 parts of C5 petroleum resin; 90 parts of filler; 2 parts of oxidant; 2 parts of isobutyl triethoxy silicon; the mass components of the pressure-sensitive adhesive also include: 40 parts of styrene-butadiene rubber; 25 parts of polyisobutylene rubber; the filler is zinc oxide, marble powder , at least one of porcelain powder and glass powder; the antioxidant is zinc ethylphenyl dithiocarbamate, N, N-dibutylzinc dithiocarbamate and 2,6-di-tert-butyl at least one of p-cresol.

[0037] A preparation process of a waterproof pressure-sensitive adhesive, comprising the following steps:

[0038] (1) Take SIS, SBS, naphthenic oil, C5 petroleum resin, fillers, antioxidants, isobutyl triethoxy silicon according to the mass components, and add them to the reaction kettle, blow nitrogen, ...

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Abstract

The invention discloses water-resistant pressure-sensitive adhesive, which is prepared from the following raw materials in parts by mass: 60-120 parts of a styrene-isoprene-styrene block copolymer (SIS), 15-30 parts of a styrene-butadiene-styrene block copolymer (SBS), 50-100 parts of naphthenic oil, 30-80 parts of C5 petroleum resin, 80-120 parts of filler, 1-5 parts of an antioxidant and 1-5 parts of isobutyl triethoxy silicon. By means of a synergistic effect of the SIS, the SBS, the naphthenic oil, the C5 petroleum resin, the filler, the antioxidant and the isobutyl triethoxy silicon, thepressure-sensitive adhesive prepared by a certain preparation process reaches a peel strength at 180 DEG C as well as better initial adhesiveness and watertightness.

Description

technical field [0001] The invention belongs to hot-melt pressure-sensitive adhesives, in particular to a waterproof pressure-sensitive adhesive and a preparation process. Background technique [0002] Pressure-sensitive adhesives are a type of adhesives that are sensitive to pressure and are mainly used in the preparation of pressure-sensitive tapes. Hot melt adhesive conforms to the environmental protection concept of no organic solvent and no pollution. With the improvement of people's environmental protection awareness, the proportion of hot melt adhesive in the adhesive industry is increasing year by year, and has gradually replaced the original adhesive form and bonding. Way. The heating and melting coating process is adopted to avoid the release of volatile organic solvents and the high-temperature energy consumption of the subsequent process, which reduces the cost of materials, and the choice of substrates is also relatively wide. [0003] Conventional hot-melt pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J153/02C09J109/00C09J109/06C09J191/00C09J157/02C09J11/06C09J11/08
CPCC09J153/02C08L2201/08C08L2205/02C08L2205/025C08L2205/035C09J11/06C09J11/08C08L53/02C08L91/00C08L57/02C08L9/00C08L9/06C08K13/02C08K5/5419
Inventor 孙军忠王灵胡秀平
Owner 四川鑫桂湖防水保温节能科技有限公司
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