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Back glue for books and magazines and production method thereof

A technology for self-adhesive, books and periodicals, applied in the direction of adhesives, adhesive types, mineral oil hydrocarbon copolymer adhesives, etc. The effect of good low temperature brittleness

Inactive Publication Date: 2012-12-26
浙江固特新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing glue used for book binding is poor in flexibility for thicker books, and it often breaks when flipped through. Generally, ordinary back glue is not good for opp film and pet film, especially for ink. Degumming occurs

Method used

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  • Back glue for books and magazines and production method thereof
  • Back glue for books and magazines and production method thereof
  • Back glue for books and magazines and production method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Table 1

[0036]

[0037] Step 1: Heat the paraffin to 160°C and stir until it completely melts;

[0038] Step 2: Add polyethylene vinyl acetate 1, polyethylene vinyl acetate 2, and polyethylene vinyl acetate 3 sequentially while stirring the mixture obtained in the first step, stir for 2 hours, and cool down to 135°C;

[0039] The third step: add antioxidant, filler, polyolefin, rosin resin, petroleum resin and coupling agent to the mixture obtained in the second step at the same time, after stirring evenly, vacuumize the stirring container and keep it warm for 10 minutes;

[0040] The fourth step: discharge and shape the stirred container obtained in the third step at 130°C.

Embodiment 2

[0042] Table 2

[0043]

[0044]

[0045] Step 1: After mixing paraffin wax and polyethylene wax, heat it to 150°C and stir until it completely melts;

[0046] Step 2: Add polyethylene vinyl acetate 1, polyethylene vinyl acetate 2, and polyethylene vinyl acetate 3 sequentially while stirring the mixture obtained in the first step, stir for 2.5 hours, and cool down to 130°C;

[0047] Step 3: Add antioxidant, plasticizer, filler, polyolefin, rosin resin, petroleum resin and coupling agent to the mixture obtained in the second step. After stirring evenly, vacuumize the stirring container and keep it warm for 12 minutes ;

[0048] The fourth step: discharge and shape the stirred container obtained in the third step at 120°C.

Embodiment 3

[0050] table 3

[0051]

[0052]

[0053] Step 1: After mixing paraffin wax and polyethylene wax, heat it to 140°C and stir until it completely melts;

[0054] Step 2: Add polyethylene vinyl acetate 1, polyethylene vinyl acetate 2, and polyethylene vinyl acetate 3 sequentially while stirring the mixture obtained in the first step, stir for 3 hours, and cool down to 125°C;

[0055] Step 3: Add antioxidant, plasticizer, filler, polyolefin, rosin resin, petroleum resin and coupling agent to the mixture obtained in the second step. After stirring evenly, vacuumize the stirring container and keep it warm for 15 minutes ;

[0056] The fourth step: discharge and shape the stirred container obtained in the third step at 110°C.

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Abstract

The invention discloses back glue for books and magazines and a production method thereof. The back glue is characterized by comprising the following materials in parts by weight: 10-20 parts of paraffin wax, 0-10 parts of polyethylene wax, 5-30 parts of polyethylene vinyl acetate I, 5-30 parts of polyethylene vinyl acetate II, 5-30 parts of polyethylene vinyl acetate III, 0.1-1.5 parts of antioxidant, 0-5 parts of plasticizing agent, 1-10 parts of filler, 1-10 parts of polyolefin, 5-30 parts of rosin resin, 5-30 parts of petroleum resin and 0.1-1 part of coupling agent. The back glue is a hot-melt glue adopting EVA as a main material, is solvent-less and nontoxic, belongs to an environmentally-friendly product, solves the problems of difficult sticking to ink and incapability of opp membranes and pet membranes for long term by adding the polyolefin and special composite coupling agent, and can be used as back glue for unsewn binding of books, or materials such as high-grade paper, high-gram coated paper and dual laminating membranes.

Description

technical field [0001] The invention relates to an EVA type hot-melt adhesive used for bookbinding. Background technique [0002] Hot melt adhesive is a kind of plastic adhesive. Its physical state changes with temperature within a certain temperature range, but its chemical properties remain unchanged. It is non-toxic and tasteless, and is an environmentally friendly chemical product. It is a solid meltable polymer that does not require solvents and does not contain 100% moisture; it is solid at room temperature, and when heated and melted to a certain temperature, it becomes a fluid and viscous liquid. The melted EVA hot melt adhesive is light brown or white. EVA hot melt adhesives are composed of basic resins, tackifiers, viscosity modifiers and antioxidants. Hot-melt adhesives can be used in all aspects of social life. At present, packaging and sealing of food, beverages, instant noodles, cigarettes, beer, and medicines are mostly done by using hot-melt adhesives throu...

Claims

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Application Information

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IPC IPC(8): C09J123/08C09J193/04C09J157/02C09J11/06C09J11/04C09J11/08
Inventor 李光鹏邵晓巍陈惠娟吴添园
Owner 浙江固特新材料科技股份有限公司
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