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Sebs prefabricated plastic track welding electrode and its preparation method and application

A plastic runway and prefabricated technology, applied in the direction of adhesives, adhesive types, grafted polymer adhesives, etc., can solve the problems of unsightly joints and inconvenient construction, and achieve excellent portability and good performance. Joining and repairability, effects of delayed service life

Active Publication Date: 2022-07-08
NANJING INST OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Hot-melt welding is heating at high temperature at the interface of the coils, so that the coils on both sides are melted and then contacted, and the bonding process is completed after cooling. However, this method is extremely inconvenient to construct, and often results in unsightly joints.
CN 108547192A proposes a welding connection type rubber coil and its preparation method, using welding rods to connect the rubber coils, but the application mainly studies the splicing process, directly adopts welding rods of the same material as the rubber coils for experiments, and does not Specific design for the composition of welding rods suitable for specific plastic runways

Method used

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  • Sebs prefabricated plastic track welding electrode and its preparation method and application
  • Sebs prefabricated plastic track welding electrode and its preparation method and application
  • Sebs prefabricated plastic track welding electrode and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] (1) Preparation of modified polybutadiene: 200 g of amino-terminated polybutadiene (M n = 2000), add 50 g of silane coupling agent KH570, fully stir and mix, mechanically stir at 60° C. for 2 hours, and a Michael addition reaction occurs to obtain modified polybutadiene.

[0032] (2) Preparation of modified polybutadiene surface-modified calcium carbonate: 150 g of modified polybutadiene was pre-dissolved in 1000 mL of a mixed solvent of dichloromethane and anhydrous ethanol (2:1), and 75 g of calcium carbonate was dispersed in 500 mL of anhydrous ethanol, then the two are fully mixed in a flask, mechanically stirred at 60° C. for 2 hours, and then suction filtered, dried, and ground to obtain modified polybutadiene surface-modified calcium carbonate.

[0033] (3) Weigh 300gHDPE, 250gSIS, 300gPOE, 100gEVA (33% VA content), 50g polyethylene graft maleic anhydride, 7g 2,6-tert-butyl-4-methylphenol and 150g modified polybutadiene Surface modified calcium carbonate.

[00...

Embodiment 2

[0036] (1) Preparation of modified polybutadiene: 200 g of amino-terminated polybutadiene (M n = 2000), add 40 g of silane coupling agent KH570, stir and mix thoroughly, mechanically stir at 60° C. for 2 hours, and a Michael addition reaction occurs to obtain modified polybutadiene.

[0037] (2) Preparation of modified polybutadiene surface-modified calcium carbonate: 150 g of modified polybutadiene was pre-dissolved in 1000 mL of a mixed solvent of dichloromethane and anhydrous ethanol (2:1), and 75 g of calcium carbonate was dispersed in 500 mL of anhydrous ethanol, then the two are fully mixed in a flask, mechanically stirred at 60° C. for 2 hours, and then suction filtered, dried, and ground to obtain modified polybutadiene surface-modified calcium carbonate.

[0038] (3) Weigh 300gHDPE, 250gSIS, 300gPOE, 100gEVA (33% VA content), 50g polyethylene graft maleic anhydride, 7g 2,6-tert-butyl-4-methylphenol and 150g modified polybutadiene Surface modified calcium carbonate. ...

Embodiment 3

[0041] (1) Preparation of modified polybutadiene: 200 g of amino-terminated polybutadiene (M n = 2000), add 60 g of silane coupling agent KH570, fully stir and mix, mechanically stir at 60° C. for 2 hours, and Michael addition reaction occurs to obtain modified polybutadiene.

[0042](2) Preparation of modified polybutadiene surface-modified calcium carbonate: 150 g of modified polybutadiene was pre-dissolved in 1000 mL of a mixed solvent of dichloromethane and anhydrous ethanol (2:1), and 75 g of calcium carbonate was dispersed in 500 mL of anhydrous ethanol, then the two are fully mixed in a flask, mechanically stirred at 60° C. for 2 hours, and then suction filtered, dried, and ground to obtain modified polybutadiene surface-modified calcium carbonate.

[0043] (3) Weigh 300gHDPE, 250gSIS, 300gPOE, 100gEVA (33% VA content), 50g polyethylene graft maleic anhydride, 7g 2,6-tert-butyl-4-methylphenol and 150g modified polybutadiene Surface modified calcium carbonate.

[0044]...

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Abstract

The invention relates to a welding rod for SEBS prefabricated plastic track welding and a preparation method and application thereof. POE), 5-15 parts of EVA, 2-8 parts of compatibilizer, 0.5-1 part of antioxidant and 5-25 parts of modified polybutadiene surface-modified calcium carbonate. In the invention, the components of the welding rod have good compatibility, the micro-crosslinked structure maintains good body strength, and the bonding performance with SEBS-based plastic track is excellent, and can be widely used for connection and fixation of prefabricated SEBS-based plastic track.

Description

technical field [0001] The invention relates to the field of prefabricated plastic track welding, in particular to a welding rod for SEBS prefabricated plastic track welding and a preparation method and application thereof. Background technique [0002] The plastic track is internationally regarded as the best all-weather outdoor sports ground material. With the progress of society, the plastic track, as one of the standards for the advancement of sports technology, is currently widely used in sports venues by schools and gymnasiums. Affected by the "poisoned runway" incident, at present, prefabricated plastic runways have gradually entered people's field of vision as a new type of runway. It adopts prefabricated molding technology to break the previous construction technology of on-site paving, and has the following advantages: (1) Does not contain Rubber particles, no threshing; (2) prefabricated, easy to install; (3) stable product performance and uniform thickness of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J123/06C09J153/02C09J123/08C09J151/06C09J11/04C09J11/06
CPCC09J123/06C09J123/0815C09J153/025C09J123/0853C09J11/04C09J11/06C08K2003/265C08L2205/035C08L2205/02C08L2207/062C08L23/0815C08L53/02C08L53/025C08L23/0853C08L51/06C08K5/13C08K9/08C08K3/26C08L23/06C08K5/526
Inventor 韩冰曹潇高文通赵辉陈韶郭晓明曹丽芬黄玉安罗彦周松乐余保寅张奕磊张波
Owner NANJING INST OF TECH