Weatherable irradiation crosslinking cable material

A cable material and weather resistance technology, applied in the direction of organic insulators, etc., can solve the problems of decomposition and embrittlement, low flame retardancy, low notched impact strength, etc.

Inactive Publication Date: 2012-09-12
SUZHOU MEIGUAN PLASTIC MATERIALS
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  • Abstract
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  • Application Information

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Problems solved by technology

Its disadvantages are that the processing temperature is high (280°C), the flame retardancy is low, the crystallinity is high, it is not easy to add flame retardants, the elongation is very low, the notched impact strength is low, and the product is hard and brittle, so it cannot be used in the required Suitable for flexible, flame-ret

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  • Weatherable irradiation crosslinking cable material
  • Weatherable irradiation crosslinking cable material
  • Weatherable irradiation crosslinking cable material

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Embodiment Construction

[0025] The present invention will be further explained below in conjunction with specific embodiments.

[0026] In the following examples: the polyester engineering plastic PBT is the American Shabitt brand Valox*325, and the melt index is 15g / 10min (250℃ / 2.16kg); the polyester block copolymer thermoplastic elastomer is the American Riteflex brand 655, the melt index 20g / 10min (250℃ / 2.16kg); polyolefin interfacial solvent EMA is French Ato’s brand 29MA03, melt index is 3 (190℃ / 2.16kg); engineering plastic nylon adopts American Baffle nylon PA-6 brand B29 ; Nylon-polyether block copolymer adopts French Atto PEBAX5533; flame retardant adopts magnesium hydroxide low-smoke halogen-free flame retardant; antioxidant adopts airbus brand Irgnox 1010 and modified aromatic diphenylamine brand Naugard445; The linking agent is Taic crosslinking agent.

[0027] Mix the main materials uniformly according to the comparative examples 1, 2, 3 listed in Table 1 and the raw material ratios of Exampl...

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Abstract

The invention discloses a weatherable irradiation crosslinking cable material. Raw materials of the cable material comprise the following components, by weight, 100 parts of a thermoplastic elastomer, 0-35 parts of an engineering plastic, 2-80 parts of a polyolefin, 0.2-8 parts of a crosslinking agent, and 2-150 parts of a fire retardant. According to the invention, problems existing in manufacturing of cable materials from polyester copolymers are solved through reasonably designing the components and the ratio of the components, and utilizing the interaction of the components; and the prepared cable sheath material has the advantages of good processing fluidity, good mechanical properties, oil resistance, high temperature resistance, excellent hot extensibility and superior low temperature resistance after irradiation crosslinking, and substantial reduction of the material cost through the addition of the polyolefin interface phase solvent.

Description

Technical field [0001] The invention relates to the field of polymer materials, in particular to a weather-resistant radiation cross-linked cable material. Background technique [0002] The characteristics of engineering plastics are high strength, high crystallinity and high rigidity polymer materials. Polyester engineering plastics mainly refer to saturated polyester thermoplastic engineering plastics, which have the advantages of extremely high strength, friction resistance and weather resistance. It is one of the five major engineering plastics, mainly including polyethylene terephthalate (PET) and Polybutylene terephthalate (PBT). Polybutylene terephthalate has a faster crystallization speed, can be injection molded at a higher speed, and has excellent weather resistance, electrical properties, chemical resistance, and abrasion resistance. Therefore, it is widely used in electronic, electrical and other industrial fields. Its shortcomings are high processing temperature (2...

Claims

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Application Information

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IPC IPC(8): C08L67/00C08L77/00C08L67/02C08L77/02C08L77/06C08L23/08C08L23/06C08L23/28C08L25/10C08L33/12C08L51/06C08L51/00C08J3/28H01B3/18
Inventor 蔡健堂
Owner SUZHOU MEIGUAN PLASTIC MATERIALS
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