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Preparation method of thermoplastic elastomer (TPE) alloy material for polyethylene terephthalate (PBT) bonding encapsulation

An alloy material and coating technology, applied in the field of TPE alloy material and its preparation, can solve the problems of unsatisfactory coating effect, poor adhesion of engineering plastic coating, easy peeling, etc. The effect of easy peeling and lowering of temperature due to poor force

Inactive Publication Date: 2011-09-14
深圳市塑源实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This type of TPE alloy material has an excellent coating effect on general-purpose plastics such as PE, PP, ABS or PC, but the coating effect on some special engineering plastics is not satisfactory, such as PBT / PCTG / POM, etc., the current technology The difficulty is that the coating adhesion to this type of engineering plastic is poor, and it is easy to peel off

Method used

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  • Preparation method of thermoplastic elastomer (TPE) alloy material for polyethylene terephthalate (PBT) bonding encapsulation
  • Preparation method of thermoplastic elastomer (TPE) alloy material for polyethylene terephthalate (PBT) bonding encapsulation

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the following examples further describe the present invention in detail. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] A TPE alloy material used for PBT bonding and encapsulation, in parts by weight, the composition ratio of the TPE alloy material is:

[0030] Thermoplastic elastomer 30~40 parts

[0031] Plasticizer 10~30 parts

[0032] Engineering plastic 15~30 parts

[0033] Compatibilizer 10~15 parts

[0034] Filling material 10~15 parts

[0035] Auxiliary 0.02~0.1 part.

[0036] Weigh the raw materials according to the above weight ratio; carry out corresponding pretreatment on the raw materials; uniformly mix thermoplastic elastomers, plasticizers, engineering plastics, compatibilizers, fillers, and additives and enter the twin-screw co-directional co...

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Abstract

The invention discloses a thermoplastic elastomer (TPE) alloy material for polyethylene terephthalate (PBT) bonding encapsulation and a preparation method thereof. The TPE alloy material is characterized by comprising the following components in part by weight: 30 to 40 parts of TPE, 10 to 30 parts of plasticizer, 15 to 30 parts of engineering plastic, 10 to 15 parts of compatilizer, 10 to 15 parts of filler and 0.02 to 0.1 part of auxiliary agent. The invention provides the TPE alloy material which has specific bonding property to PBT, is simple and convenient to process, is energy-saving and environment-friendly and can be widely applied to food contact and skin contact.

Description

[0001] 【Technical field】 [0002] The invention relates to a TPE alloy material used for overmolding and a preparation method thereof, in particular to a TPE alloy material used for PBT adhesive encapsulation and a preparation method thereof. 【Background technique】 [0003] Polybutylene terephthalate (polybutylece terephthalate referred to as PBT), PBT is milky white translucent to opaque, crystalline thermoplastic polyester. It has high heat resistance, toughness, fatigue resistance, self-lubricating, low friction coefficient, weather resistance, low water absorption, only 0.1%, and still maintains various physical properties (including electrical properties) and electrical insulation in a humid environment. However, volume resistance and dielectric loss are large. Resistant to hot water, alkalis, acids, oils, but easily corroded by halogenated hydrocarbons, poor hydrolysis resistance, rapid crystallization at low temperature, good formability. PBT has a fast crystalliz...

Claims

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Application Information

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IPC IPC(8): C08L101/00C08L53/02C08L23/12C08L23/06C08L23/16C08L75/04C08L67/00C08L23/08C08L77/00C08L69/00C08L59/02C08L67/02C08L71/12B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/92B29C2948/92704B29C2948/92895
Inventor 连梓强
Owner 深圳市塑源实业有限公司
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