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Flexible glue for coating ABS material and method for producing the same

A technology of ABS material and soft glue, which is applied in the field of soft glue covering ABS material and its preparation, which can solve the problems of insufficient material strength and hand feeling, easy whitening of the surface, and resistance to scratches, etc., to achieve ideal coating effect, Good scratch resistance, good flexibility effect

Active Publication Date: 2009-08-19
徐东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] At present, most of the ABS coating materials on the market use SBS as the main material, and the hardness is adjusted by adding white oil and a small amount of ABS. Adding ABS here also plays a role in increasing the compatibility of the coating material and ABS products. The coating effect of the material is ideal, but the strength and feel of the material are slightly insufficient, the surface is easy to whiten, not scratch-resistant, and sticky when the hardness is low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Weigh the SEBS with a weight ratio of 20% (the following are the weight ratios) and pour it into the blender. Slowly add 5% white oil to the SEBS, and slowly stir while adding it until the drop is completed. Stir evenly, and then press the TPU 55%, ABS 15%, compatibilizer 4%, 1010 / 168 0.2 / 0.1%, EBS 0.4%, E525 0.3%, weighed, poured into a blender and stirred evenly. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are: zone 1 temperature: 185°C; zone 2: 190°C; zone 3: 190°C; zone 4: 190°C; head: 185°C; residence time 1-2min. The pressure is 14MPa.

Embodiment 2

[0030] Weigh the SEBS with a weight ratio of 20% (the following are the weight ratios) and pour it into the blender. Slowly add 10% white oil to the SEBS, and slowly stir while adding it until the drop is completed. Stir evenly, and then press the TPU 50%, ABS 15%, compatibilizer 4%, 1010 / 168 0.2 / 0.1%, EBS 0.4%, E525 0.3%, weighed, poured into a blender and stirred evenly. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are: zone 1 temperature: 185°C; zone 2: 190°C; zone 3: 190°C; zone 4: 190°C; head: 185°C; residence time 1-2min. The pressure is 14MPa.

Embodiment 3

[0032]Weigh the SEBS with a weight ratio of 20% (the following are the weight ratios) and pour it into the blender. Slowly add 15% white oil to the SEBS, and slowly stir while adding it until the drop is completed. Stir evenly, and then press the TPU 45%, ABS 15%, compatibilizer 4%, 1010 / 168 0.2 / 0.1%, EBS 0.4%, E525 0.3%, weighed, poured into a blender and stirred evenly. The mixed material is put into the hopper of the twin-screw extruder, melted and blended, extruded and granulated to form a composite material. Among them, the temperature settings of each heating zone of the screw are: zone 1 temperature: 185°C; zone 2: 190°C; zone 3: 190°C; zone 4: 190°C; head: 185°C; residence time 1-2min. The pressure is 14MPa.

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Abstract

The invention discloses a soft plastic used for coating ABS material and a preparation method thereof. The soft plastic comprises the components according to the weight percentage: 30-60% of PU, 5-25% of white oil, 15-25% of SEBS, 10-20% of ABS resin, 3-5% of compatilizer, 0.2-0.4% of antioxidizer and 0.5-1% of other accessory ingredients. The invention has the advantages that the raw materials are environment-friendly and sanitary, so that the prepared soft plastic is sanitary and environment-friendly; besides realizing high intensity and elasticity as well as good abrasion resistance, oil proof property, low temperature resistance and aging resistant performance, the soft plastic has high flexibility and comfort; due to good adhesive bonding property with the ABS material, the coating effect between the soft plastic and the ABS base material can be improved. The preparation method provided by the invention is simple in technique.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a soft glue for covering ABS materials and a preparation method thereof. Background technique [0002] ABS (acrylonitrile-butadiene-styrene copolymer) resin is currently one of the polymers with the largest output and the most widely used. It organically unifies the various properties of PS, SAN, and BS, and has both toughness and hardness. , excellent mechanical properties of rigid phase equilibrium. It has excellent impact strength, dimensional stability, electrical properties, wear resistance, chemical resistance, dyeability, good molding and mechanical processing, and is widely used in the automotive industry, home appliances, electrical and electronic industries, toys, daily necessities, machinery industry and other fields. [0003] Through overmolding technology, compounding thermoplastic elastomer with ABS matrix can not only make the surface of ABS products fu...

Claims

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Application Information

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IPC IPC(8): C08L75/04C08K5/00B29B9/00B29C47/92C08L53/02C08L55/02B29C48/40B29C48/92
CPCB29C48/04B29C48/40
Inventor 徐东贺永周兵
Owner 徐东
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