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A kind of modified rosin hot-melt adhesive for bookbinding and preparation method thereof

A technology for modifying rosin and hot-melt adhesive, applied in the directions of rosin adhesive, non-polymer adhesive additive, adhesive additive, etc., can solve the problem of increasing the amount of hot-melt adhesive, affecting the aesthetics of binding, and limited adhesive strength and other problems, to achieve the effect of ensuring the quality of binding, good high and low temperature resistance, and good fluidity

Active Publication Date: 2019-01-01
新丰县高德科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the adhesive strength of ethylene-vinyl acetate hot melt adhesive is limited, especially for books and periodicals with large binding thickness, it is prone to cracking
In the actual binding process, in order to ensure its adhesiveness, it is usually necessary to thicken the thickness of the adhesive layer, which increases the amount of hot melt adhesive, increases the cost of binding, and seriously affects the aesthetics of binding

Method used

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  • A kind of modified rosin hot-melt adhesive for bookbinding and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] (1) Mix 15g of hydrogenated rosin and 10g of poloxamer 188, raise the temperature to 135-140°C and grind for 3 hours, then add 2g of microcrystalline cellulose and 0.05g of ferrocene, and continue grinding at 135-140°C for 1 hour. The resulting mixture was frozen at -15°C for 5 hours, and was pulverized into powder to obtain modified hydrogenated rosin;

[0018] (2) Add 0.5g polyoxyethylene and 0.1g hydrogenated castor oil to 3g superfine magnesium oxide, after fully mixing, microwave treatment at microwave frequency 2450MHz, output power 700W for 5min, after standing for 30min, microwave treatment for 5min again, and Cool down at a cooling rate of 5°C / min to 0-5°C and heat-preserve and grind for 15 minutes to obtain modified magnesium oxide;

[0019] (3) Add modified magnesia to 3g of polyglutamic acid / polyethylene glycol monomethyl ether, mix well and transfer to 115-120°C for 10 minutes, then add modified hydrogenated rosin while hot and 1g of cationic polyacrylamid...

Embodiment 2

[0022] (1) Mix 25g of hydrogenated rosin and 15g of poloxamer 188, heat up to 135-140°C and grind for 5 hours, then add 3g of microcrystalline cellulose and 0.05g of ferrocene, and continue grinding at 135-140°C for 2 hours. The resulting mixture was frozen at -15°C for 8 hours, and was pulverized into powder to obtain modified hydrogenated rosin;

[0023] (2) Add 0.5g polyoxyethylene and 0.1g hydrogenated castor oil to 5g superfine magnesium oxide, after fully mixing, microwave treatment at microwave frequency 2450MHz, output power 700W for 5min, after standing for 30min, microwave treatment for 5min again, and Cool down at a cooling rate of 5°C / min to 0-5°C and keep grinding for 30 minutes to obtain modified magnesium oxide;

[0024] (3) Add modified magnesia to 5g of polyglutamic acid / polyethylene glycol monomethyl ether, mix well and transfer to 115-120°C for 15 minutes, then add modified hydrogenated rosin while hot and 0.5g of cationic polyacrylamide, ground to make it ...

Embodiment 3

[0040] Performance tests were carried out on the hot melt adhesives made in Example 1, Example 2, Comparative Example 1, Comparative Example 2, and Comparative Example 3, and ordinary EVA hot melt adhesive was used as Comparative Example 4. The results are shown in Table 1.

[0041] Table 1 The performance of the hot melt adhesive produced by the embodiment of the present invention

[0042]

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Abstract

The invention discloses a modified rosin hot melt glue for book binding and a preparation method thereof and relates to the technical field of hot melt glue. The modified rosin hot melt glue is prepared from the following raw materials in parts by weight: 15-25 parts of hydrogenated rosin, 10-15 parts of poloxamer 188, 3-5 parts of ultrafine magnesium oxide, 3-5 parts of polyglutamic acid / methoxypolyethylene glycols, 1-3 parts of microcrystalline cellulose, 0.5-1 part of cationic polyacrylamide, 0.5-1 part of polyethylene oxide, 0.1-0.5 part of hydrogenated castor oil and 0.05-0.1 part of ferrocene. The hot melt glue prepared according to the invention has excellent adhesiveness, high adhesive strength, excellent solvent resistance, excellent high / low temperature resistance and difficulty in breaking after solidification, so that the binding quality of the book is guaranteed, the book can be prevented from cracking and paper-falling in the transportation and use processes and the modified rosin hot melt glue is suitable for the binding of thicker books.

Description

Technical field: [0001] The invention relates to the technical field of hot-melt adhesives, in particular to a modified rosin hot-melt adhesive for bookbinding and a preparation method thereof. Background technique: [0002] In recent years, bookbinding hot-melt adhesives have developed rapidly, and the method of using hot-melt adhesives to bond book paper is widely used. The bonding material has gradually developed from the initial flour paste to synthetic resin glue polyvinyl acetate, polyvinyl alcohol, hot melt adhesive, especially the emergence of hot melt adhesive has greatly improved the binding speed of books and shortened the binding cycle. [0003] Ethylene-vinyl acetate hot melt adhesive is currently the most widely used and most used bookbinding hot melt adhesive. It has excellent adhesiveness and has thermal adhesiveness to almost all materials; it has low melt viscosity and is convenient for sizing; it has good compatibility with additives and has a wide range ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J193/04C09J11/04C09J11/08
CPCC08K2003/222C08L2201/08C08L2205/025C08L2205/035C09J11/04C09J11/08C09J193/04C08L71/02C08L1/04C08L77/04C08L33/26C08K9/08C08K3/22
Inventor 刘宁
Owner 新丰县高德科技有限公司
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