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Thermoplastic elastomer
by：CSSSLD
2021-02-03
Thermoplastic elastomer is having many properties of rubber, and can be like thermoplastic injection molding processing, vulcanization processing and does not require.
Thermoplastic elastomer is primarily a block or graft copolymer, its preparation method.
TPE since its launch has been widely used in automotive, electrical, electronics, architecture and crafts and daily necessities, etc.
Due to the high toughness, TPE is also used in plastics toughening, POE toughening PP, for example, the effect and use is better than the traditional toughening PP EPDM.
TPE is composed of hard segment and soft segment, copolymer molecular structure contains performance of elastic soft phase composition and strength of the hard phase composition. According to the soft phase and hard phase composition can get all kinds of different species, and which can be roughly divided into seven series. When using POE toughening plastic, join the low number of talcum powder can play a role of effect. At 8% for the amount of talcum powder The comprehensive performance of 15%, the material is very good.
is a common engineering plastics with flexibilizer EPDM, but as a result of EPDM injection molding processing performance is bad, need to scatter EPDM and PE blend form easily the EPDM/PE blend, to blend with the toughening substrate. EPDM and compatilizer are necessary for engineering plastic blending to improve the effect of its compatible with matrix resin. Generally use EPDM or MAH grafted PE material, can also use the SEBS or its MAH grafted. The latter's costs are relatively high, the domestic general use of the former. EPDM toughening plastics should pay attention to and the viscosity of the polymer matrix matching.
PPO blend with br and PE, performance for the excellent mechanical properties, good dimensional stability, relatively low density, low water absorption, good creep resistance and so on. PBT/vinyl copolymer blend of general mechanical blending method is used to production, but also need premixed, then mixed granulation in the extruder. The advantage of this blend is obviously improve the impact strength, but the bending strength and modulus decreased.
SMAH the PC/PC blend has the toughness and workability of SMAH, and thermal stability, good liquidity, can produce large and complex products. Moreover the cost is low, on many occasions to replace PC and modified PPO. PC and MBS blend, generally adopts double screw extruder or single screw extruder with static mixer blend manufacturing. Can also be in general regularly twice plasticizing extruder, mixing and into. PC/MBS melt index, injection molding processing performance is good, good resistance to stress cracking performance, improve the PC for water sensitivity at the same time.
PBT/polyether ester elastomer blend blending should be carried out in two steps, compared with PBT, obviously improve the impact strength, elongation at break increased. But the bending elastic modulus decrease. To improve its rigidity can add just the right amount of glass fiber.
more wonderful sharing: phthalate esters plasticizer and flexibilizer, click directly.
or copy the link: http://www. csssld。 cn//html/2016/Info_0709/284。 HTML
nantong on plastic products factory's official website: http://www. csssld。 cn//
TPE is composed of hard segment and soft segment, copolymer molecular structure contains performance of elastic soft phase composition and strength of the hard phase composition. According to the soft phase and hard phase composition can get all kinds of different species, and which can be roughly divided into seven series. When using POE toughening plastic, join the low number of talcum powder can play a role of effect. At 8% for the amount of talcum powder The comprehensive performance of 15%, the material is very good.
is a common engineering plastics with flexibilizer EPDM, but as a result of EPDM injection molding processing performance is bad, need to scatter EPDM and PE blend form easily the EPDM/PE blend, to blend with the toughening substrate. EPDM and compatilizer are necessary for engineering plastic blending to improve the effect of its compatible with matrix resin. Generally use EPDM or MAH grafted PE material, can also use the SEBS or its MAH grafted. The latter's costs are relatively high, the domestic general use of the former. EPDM toughening plastics should pay attention to and the viscosity of the polymer matrix matching.
PPO blend with br and PE, performance for the excellent mechanical properties, good dimensional stability, relatively low density, low water absorption, good creep resistance and so on. PBT/vinyl copolymer blend of general mechanical blending method is used to production, but also need premixed, then mixed granulation in the extruder. The advantage of this blend is obviously improve the impact strength, but the bending strength and modulus decreased.
SMAH the PC/PC blend has the toughness and workability of SMAH, and thermal stability, good liquidity, can produce large and complex products. Moreover the cost is low, on many occasions to replace PC and modified PPO. PC and MBS blend, generally adopts double screw extruder or single screw extruder with static mixer blend manufacturing. Can also be in general regularly twice plasticizing extruder, mixing and into. PC/MBS melt index, injection molding processing performance is good, good resistance to stress cracking performance, improve the PC for water sensitivity at the same time.
PBT/polyether ester elastomer blend blending should be carried out in two steps, compared with PBT, obviously improve the impact strength, elongation at break increased. But the bending elastic modulus decrease. To improve its rigidity can add just the right amount of glass fiber.
more wonderful sharing: phthalate esters plasticizer and flexibilizer, click directly.
or copy the link: http://www. csssld。 cn//html/2016/Info_0709/284。 HTML
nantong on plastic products factory's official website: http://www. csssld。 cn//
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