Ultraviolet aging without loss of viscosity hot-melt pressure-sensitive adhesive and preparation method thereof
A hot-melt, pressure-sensitive adhesive technology, applied in the direction of adhesive types, adhesives, hydrocarbon copolymer adhesives, etc., can solve the problem of large coating volume, surface hardening and loss of adhesion, and the inability to meet UV aging resistance at the same time Performance and other issues
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Embodiment 1
[0035] This embodiment provides a UV-aging non-sticky hot-melt pressure-sensitive adhesive and a preparation method thereof.
[0036] In parts by weight, the raw materials for the preparation of the ultraviolet aging non-sticky hot-melt pressure-sensitive adhesive include:
[0037]
[0038]
[0039] In this embodiment, the rubber plasticizer is naphthenic rubber softening oil, and the antioxidant is tetrakis [β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, and the anti-ultraviolet auxiliary The agent is 2-(2′-hydroxyl-5′-methylphenyl)benzotriazole.
[0040] The preparation method of the ultraviolet aging without loss of viscosity hot-melt pressure-sensitive adhesive is as follows:
[0041] Add butyl rubber, SEBS (hydrogenated styrene-butadiene block copolymer), rubber plasticizer and antioxidant into the kneader according to the required ratio; then, slowly heat to 150°C and stir until all materials After melting, the reaction is stable for 5 m...
Embodiment 2
[0043] This embodiment provides a UV-aging non-sticky hot-melt pressure-sensitive adhesive and a preparation method thereof.
[0044] In parts by weight, the raw materials for the preparation of the ultraviolet aging non-sticky hot-melt pressure-sensitive adhesive include:
[0045]
[0046]
[0047] In this embodiment, the rubber plasticizer is polyisobutylene rubber, the antioxidant is tris[2.4-di-tert-butylphenyl] phosphite, and the anti-ultraviolet additive is bis(2,2,6,6-tetramethyl -4-piperidinyl) sebacate.
[0048] The preparation method of the ultraviolet aging without loss of viscosity hot-melt pressure-sensitive adhesive is as follows:
[0049] Add butyl rubber, SEBS (hydrogenated styrene-butadiene block copolymer), rubber plasticizer and antioxidant into the kneader according to the required ratio; then, slowly heat to 155°C and stir until all materials After melting, the reaction is stable for 8 minutes; then, under stirring, add the remaining other material...
Embodiment 3
[0051] This embodiment provides a UV-aging non-sticky hot-melt pressure-sensitive adhesive and a preparation method thereof.
[0052] In parts by weight, the raw materials for the preparation of the ultraviolet aging non-sticky hot-melt pressure-sensitive adhesive include:
[0053]
[0054]
[0055] In this embodiment, the rubber plasticizer is polyisobutylene rubber, the antioxidant is tris[2.4-di-tert-butylphenyl] phosphite, and the anti-ultraviolet additive is bis(2,2,6,6-tetramethyl -4-piperidinyl) sebacate.
[0056] The preparation method of the ultraviolet aging without loss of viscosity hot-melt pressure-sensitive adhesive is as follows:
[0057]Add butyl rubber, SEBS (hydrogenated styrene-butadiene block copolymer), rubber plasticizer and antioxidant into the kneader according to the required ratio; then, slowly heat to 160°C and stir until all materials After melting, the reaction is stable for 10 minutes; then, under stirring, add the remaining other material...
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Abstract
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