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A kind of polyolefin block copolymer hot-melt adhesive and its manufacture method

A technology of polyolefin block and olefin block, which is applied in the field of polyolefin block copolymer hot-melt adhesive and its manufacturing, can solve problems such as complexity and cost increase, achieve excellent adhesive performance, reduce promotion and use, and reduce product cost. cost effect

Active Publication Date: 2019-03-29
HANGZHOU HANGAO NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Since major OEMs use different types of plastics in plastic parts, if parts suppliers purchase multiple equipment to bond different types of plastics in the manufacturing process, it will be too complicated and increase costs

Method used

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  • A kind of polyolefin block copolymer hot-melt adhesive and its manufacture method
  • A kind of polyolefin block copolymer hot-melt adhesive and its manufacture method
  • A kind of polyolefin block copolymer hot-melt adhesive and its manufacture method

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Experimental program
Comparison scheme
Effect test

specific Embodiment

[0022]

[0023] The data in the table are all parts by weight.

[0024] The manufacturing methods of the above-mentioned 5 embodiments are as follows: in the first step, the temperature of the reaction kettle is first heated to 202 ℃-220 ℃, and then the chain shuttling polymerization olefin block copolymer and maleic anhydride polybutadiene, peroxide dioxide are added. Cumene (DCP) and antioxidant 1010 were stirred and grafted, and the stirring and grafting time was 10 minutes; in the second step, the temperature of the reactor was reduced to 155°C-160°C, and aldehyde-ketone resin and terpene phenol resin were added. Stir, the melting time is 70 minutes and vacuumize, the degree of vacuum is -0.06mpa~-0.09mpa; in the third step, the outlet of the reactor is connected to the single screw extrusion granulation system for underwater granulation, and then dehydrated, dried and packaged Serve later.

[0025] The test results of the above-mentioned five embodiments are as follow...

Embodiment 1

[0029] Example 1: Chain Shuttle Polymerization The content of the olefin block copolymer is small, the peel strength is small, and the shear strength is poor; the curing time is too long.

Embodiment 2

[0030] Example 2: chain shuttling polymerization The content of the olefin block copolymer is increased, the amount of maleic anhydride polybutadiene is decreased; the peel strength and shear strength are increased, but the technical requirements cannot be met.

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Abstract

The invention relates to a polyolefin block copolymer hot melt adhesive and a manufacturing method thereof. The invention aims to provide the polyolefin block copolymer hot melt adhesive and the manufacturing method thereof. The polyolefin hot melt adhesive has the excellent adhesive property, can adhere various materials (comprising a steel plate, plastic, leather, fiber, rubber, glass, a film, silk fabric, wood and the like), has excellent surface adhesion property, high ultraviolet resistance, high-temperature and low-temperature resistance, high weather resistance and ageing resistance, and can adapt to -40 to 115 DEG C. According to the technical scheme, the polyolefin block copolymer hot melt adhesive comprises the following components in parts by weight: 15 to 40 parts of an olefinblock copolymer, 10 to 20 parts of maleic polybutadiene, 10 to 20 parts of aldehyde ketone resin, 20 to 40 parts of terpene-phenolic tackifying resin, 0.1 to 0.6 part of dicumyl peroxide (DCP) and 0.3to 0.8 part of an antioxidant 1010.

Description

technical field [0001] The invention relates to a polyolefin block copolymer hot melt adhesive and a manufacturing method thereof. Background technique [0002] At present, the main direction of the world's automotive material technology development is lightweight and environmental protection. Reducing the weight of the car itself is one of the effective measures to reduce the emission of the car and improve the combustion efficiency. Every 10% reduction in the self-weight of the car can reduce the fuel consumption by 6% to 8%. To this end, increasing the use of plastic materials in automobiles has become the key to reducing the cost and weight of the entire vehicle, while increasing the payload of the vehicle. At present, the amount of plastic in the whole vehicle has reached 10% to 15%, and some even reached more than 20%. The types of plastics used by various OEMs are different, mainly including ABS / PC, PVC, PU, ​​PP, PE, ABS, FRP, SMA and other types of plastic parts. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J145/00C09J153/00C09J147/00C09J11/06
Inventor 陈奏
Owner HANGZHOU HANGAO NEW MATERIAL TECH CO LTD