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A kind of label adhesive for small-bore glass bottles and preparation method thereof

A label glue, glass bottle technology, used in adhesives, non-polymer adhesive additives, adhesive types, etc. And the effect of sticking performance and good die-cutting performance

Active Publication Date: 2021-08-27
嘉好(太仓)新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Current label adhesives cannot satisfy good die-cutting, stickiness and initial tack properties at the same time

Method used

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Examples

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preparation example Construction

[0058] Further preferably, the preparation method of titanium dioxide modified hydrocarbon resin of the present invention comprises the following steps:

[0059] (1) Add titanium dioxide into the solvent, adjust the pH to 5-6, heat to 60-80°C, add dropwise a silane coupling agent to react for 4-5 hours, wash and dry to obtain modified titanium dioxide;

[0060] (2) Adding the hydrocarbon resin into the solvent, stirring, adding modified titanium dioxide, ultrasonication for 30-60 minutes, grinding, and drying to obtain the titanium dioxide-modified hydrocarbon resin.

[0061] Still more preferably, the weight ratio of the titanium dioxide and the silane coupling agent in the step (1) of the present invention is 1:(0.05-0.2).

[0062] More preferably, the weight ratio of titanium dioxide and silane coupling agent in step (1) of the present invention is 1:0.1.

[0063] More preferably, the weight ratio of the hydrocarbon resin and the modified titanium dioxide in step (2) of th...

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PUM

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Abstract

The invention relates to the technical field of adhesives, in particular to a label adhesive for small-caliber glass bottles and a preparation method thereof. The raw materials for preparing the label glue include 50-60 parts of styrene-based block copolymer, 60-90 parts of tackifying resin, 40-50 parts of softener and 1-2 parts of antioxidant in parts by weight. The styrenic block copolymer is selected from one or more of SEBS, SBS, SIS, SBR, and SEPS. The invention provides a label glue for small-caliber glass bottles, which can be prepared through the action of styrene-based block copolymers, tackifying resins and softeners. When the label glue is used for labels, good die-cutting At the same time, it also has high initial tack and stickiness to glass bottles.

Description

technical field [0001] The invention relates to the technical field of adhesives, and more specifically, the invention relates to a label adhesive for small-caliber glass bottles and a preparation method thereof. Background technique [0002] Label glue, also known as trademark glue, refers to the adhesive used to paste labels. With different label applications, there are labels made of different substrates, as well as labels of different shapes and sizes. According to different objects, the requirements for label adhesives are also different. On the market, small-caliber plastic or glass bottles have a relatively small caliber, and the small label has a large curvature after lamination. Due to the stress of the label paper, it needs to gradually restore itself to a flat state. The requirements for holding power and initial tack are particularly high. In addition, because of the small size of the label, there are also high requirements for the die-cutting of the label. Cur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J153/02C09J157/02C09J11/04C09J11/08
CPCC08K2003/2241C09J11/04C09J11/08C09J153/02C09J157/02C08L57/02C08L91/00C08K9/06C08K3/22C08L53/02
Inventor 史云霓李晓姣
Owner 嘉好(太仓)新材料股份有限公司
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