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Ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength, and preparation method and applications thereof

A heat-curing and high-peeling technology, which is applied in the direction of pressure-sensitive films/sheets, non-polymer organic compound adhesives, adhesives, etc., can solve the problem of poor UV resistance of hot-melt pressure-sensitive adhesives that cannot meet the waterproof requirements of exposed roofs and other problems, to increase the adjustment space and convenience, improve the fitting effect, enhance the compatibility and stability

Active Publication Date: 2019-11-19
KUNSHAN JIUQING PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] CN 108178998 A introduces a formula and preparation process of a hot-melt pressure-sensitive adhesive that can be pre-laid with non-bituminous anti-adhesive polymer waterproof membrane, but the existence of unsaturated double bonds in the hot-melt pressure-sensitive adhesive system makes this This kind of hot-melt pressure-sensitive adhesive has poor UV resistance and cannot be applied to the waterproof application requirements of exposed roofs

Method used

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  • Ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength, and preparation method and applications thereof
  • Ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength, and preparation method and applications thereof
  • Ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength, and preparation method and applications thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] Add 0.1 parts by weight of 3-(triethoxysilyl)propyl methacrylate into 15 parts of naphthenic oil KN4010, stir and disperse in a kneader, then add 20 parts of styrene with a content of 15%, Diblock content is 20% styrene-isoprene-styrene SIS elastomer, 30 parts of carbon five petroleum resins, 35 parts of acrylate hot-melt pressure-sensitive adhesive (wherein, acrylate hot-melt pressure-sensitive adhesive consists of 2 Parts of hydroxyethyl acrylate, 90 parts of butyl acrylate, 3 parts of vinyl acetate, 5 parts of ABP, 0.3 parts of azobisisobutyronitrile and 0.05 parts of dodecyl mercaptan), 0.2 parts of 2 , 4,6 (trimethylbenzoyl) diphenyl phosphine oxide, 0.2 parts of β-(3,5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate are fully kneaded evenly, After heating, stirring, vacuuming and defoaming under the condition of nitrogen protection, a UV-curable hot-melt pressure-sensitive adhesive with high peel strength is obtained.

Embodiment 2

[0070] Add 0.2 parts by weight of cetyltrimethoxysilane to 20 parts of naphthenic oil KN4010, stir and disperse in a kneader, then add 20 parts of styrene content of 20% and diblock content of 20% Styrene-isoprene-styrene SIS elastomer, 30 parts of C5 petroleum resin, 30 parts of acrylate hot-melt pressure-sensitive adhesive (wherein, acrylate hot-melt pressure-sensitive adhesive consists of 4 parts of hydroxyethyl methacrylate, 85 parts of cinnamyl acrylate, 8 parts of methyl methacrylate, 3 parts of ABBP, 0.3 parts of azobisisobutyronitrile and 0.04 parts of dodecyl mercaptan), 0.3 parts of 2,4,6 (Trimethylbenzoyl) diphenylphosphine oxide, 0.3 parts of β-(3,5-di-tert-butyl-4-hydroxyphenyl) n-octadecyl propionate were fully kneaded evenly, under the condition of nitrogen protection After heating, stirring and vacuuming for defoaming, a high peel strength UV-curable hot-melt pressure-sensitive adhesive is obtained.

Embodiment 3

[0072] Add 0.3 parts by weight of cetyltrimethoxysilane to 20 parts of naphthenic oil KN4010, stir and disperse in a kneader, and then add 15 parts of benzene with a styrene content of 30% and a diblock content of 40%. Ethylene-isoprene-styrene SIS elastomer, 30 parts of C5 petroleum resin, 35 parts of acrylate hot-melt pressure-sensitive adhesive (among them, acrylate hot-melt pressure-sensitive adhesive consists of 2 parts of hydroxyethyl acrylate, 1 part of horse Anhydride, 20 parts of ethyl acrylate, 30 parts of butyl acrylate, 35 parts of cinnamyl methacrylate, 4 parts of methyl methacrylate, 1 part of AHBP, 0.3 parts of azobisisobutyronitrile and 0.1 parts of prepared from dialkyl mercaptan), 0.3 part tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, 0.5 part β-(3,5-di-tert-butyl N-octadecyl-4-hydroxyphenyl)propionate was fully kneaded evenly, and after heating, stirring and vacuuming and defoaming under the condition of nitrogen protectio...

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Abstract

The invention discloses an ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength, and a preparation method and applications thereof. The ultraviolet-curing hot-melt pressure-sensitive adhesive high in peeling strength comprises, by weight, 10 to 30 parts of a segmented copolymer, 20 to 50 parts of a UV-curable acrylic ester hot-melt pressure-sensitive adhesive, 20 to 35parts of a tackifying resin, 0.1 to 1 part of a coupling agent, 8 to 35 parts of a rubber plasticizer, 0.1 to 1 part of a photoinitiator, and 0.1 to 1 part of an antioxidant. The peeling strength, theprimary viscosity, and the applying effect on nonpolar base materials of the ultraviolet-curing hot-melt pressure-sensitive adhesive are improved obviously; the ultraviolet resistance and the high temperature resistance are also improved greatly.

Description

technical field [0001] The present invention relates to the technical field of hot-melt pressure-sensitive adhesives, to a hot-melt pressure-sensitive adhesive and its preparation method and application, in particular to a high peel strength UV-curable hot-melt pressure-sensitive adhesive and its preparation method and application. Background technique [0002] Hot-melt pressure-sensitive adhesives generally refer to pressure-sensitive adhesives composed of thermoplastic elastomers, tackifying resins, plasticizers and antioxidants as the main components. Among them, thermoplastic elastomers mainly refer to polymer copolymers such as SIS, SBS, SIPS, and SEBS, and tackifying resins mainly refer to rosin resins, terpene resins, C5 petroleum resins, C9 petroleum resins or C5 / C9 copolymerized petroleum resins. Agents mainly include naphthenic oil, white oil and low molecular weight polyisobutylene. This type of hot-melt pressure-sensitive adhesive has no solvent and water discha...

Claims

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Application Information

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IPC IPC(8): C09J133/14C09J135/00C09J157/02C09J11/06C09J4/06C09J7/38C09J7/25
CPCC08L2205/03C09J4/06C09J11/06C09J133/14C09J135/00C09J157/02C09J2467/006C09J7/255C09J7/385C09J7/387C09J2301/122C09J2301/302C09J2301/304C08L53/02C08L57/02C08K5/5419C08L33/14
Inventor 何敏
Owner KUNSHAN JIUQING PLASTIC
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