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ABS (acrylonitrile butadiene styrene) /PET (polyethylene terephthalate) /copolyester ternary alloy and preparation method thereof

A ternary alloy and copolyester technology, applied in the field of ABS/PET/copolyester ternary alloy, can solve the problem of high material cost, achieve the effects of good compatibility, improved physical and mechanical properties, and low material cost

Inactive Publication Date: 2011-07-27
KINGFA SCI & TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the material cost is higher

Method used

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  • ABS (acrylonitrile butadiene styrene) /PET (polyethylene terephthalate) /copolyester ternary alloy and preparation method thereof
  • ABS (acrylonitrile butadiene styrene) /PET (polyethylene terephthalate) /copolyester ternary alloy and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Accurately weigh 70kg of ABS resin, 18kg of PET resin, 10kg of PCTG, 1kg of SMA, 0.2kg of 1010, 0.2kg of 168, and 0.6kg of EBS; fully mixed by a high-mixer, and a co-rotating twin-screw extruder is used for melt blending in one step The method (extrusion temperature: 170-250°C) is used to obtain the ternary alloy of the present invention. The material prepared in this embodiment is injection molded into a standard test strip according to a standard size using an injection molding machine. The physical properties after the test are (ISO standard): tensile strength 45MPa, IZOD notched impact strength 27kJ / m 2 , Bending strength 66MPa; Melting index 11g / 10min (220℃ / 10kg).

Embodiment 2

[0033] Accurately weigh 60kg of ABS resin, 23kg of PET resin, 15kg of PETG, 1kg of SMA, 0.2kg of 1010, 0.2kg of 168, 0.6kg of EBS; fully mixed by a high-mixer, using a co-rotating twin-screw extruder with one-step melt blending The method (extrusion temperature: 170-250°C) is used to obtain the ternary alloy of the present invention. The material prepared in this example is injection molded into a standard test strip according to the standard size by an injection molding machine. The physical properties after the test are (ISO standard): tensile strength 47MPa, IZOD notched impact strength 32kJ / m 2 , Flexural strength 675MPa; melt index 12g / 10min (220℃ / 10kg).

Embodiment 3

[0035] Accurately weigh 40kg of ABS resin, 33kg of PET resin, 25kg of PETG, 1kg of EGMA-g-PS, 0.2kg of 1010, 0.2kg of PS802, and 0.6kg of silicone oil; fully mixed by a high mixer, using a co-rotating twin screw extruder. The one-step extrusion method of melt blending (extrusion temperature: 170-250°C) can obtain the ternary alloy of the present invention. The material prepared in this example is injection molded into a standard sample with an injection molding machine according to a standard size. The physical properties after the test are (ISO standard): tensile strength 49MPa, IZOD notched impact strength 23kJ / m 2 , Flexural strength 72MPa; Melt index 14g / 10min (220℃ / 10kg).

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Abstract

The invention discloses an ABS (acrylonitrile butadiene styrene) / PET(polyethylene terephthalate) / copolyester ternary alloy and a preparation method thereof. The ABS / PET / copolyester ternary alloy comprises the following components in parts by weight: 20-70 parts of ABS resin, 10-50 parts of PET resin, 2-50 parts of copolyester, 1-5 parts of assisted compatilizer, 0.5-1.5 parts of antioxygen and 0.5-1.5 parts of processing agent. The preparation method comprises the following steps: pre-mixing the components by a high-mixing machine, adding the mixture into a twin-screw extruder, extruding in the temperature ranging from 170 DEG C to 250 DEG C through plastifying and mixing; and cooling and pelleting to prepare the alloy. Compared with the prior art, the ABS resin and PET resin are taken as material matrixes and the copolyester as a bulking agent is added, so that the compatibility of the ABS and PET resins and the copolyester is improved, and the ternary alloy has high the advantages of high impulse strengthen, excellent flowability and low cost, and the ratio of the main components in the alloy can be adjusted to obtain a series of modified materials with different physical mechanical properties.

Description

Technical field [0001] The invention belongs to the technical field of polymer materials, and specifically relates to an ABS / PET / copolyester ternary alloy. Background technique [0002] ABS resin combines the rigidity and heat resistance of acrylonitrile, the toughness of butadiene and the gloss and processing fluidity of styrene. It is widely used in electronics, electrical appliances, automobiles, textile equipment, construction and daily necessities. PET has good electrical properties, but poor physical and mechanical properties, so its application in engineering plastics is limited. Many documents at home and abroad have introduced the preparation and application of ABS / PET alloy materials. However, the compatibility of ABS and PET is poor. Although many compatibilization methods can promote the compatibility of the two phases, the effect is still not ideal. [0003] Copolyester refers to polyester materials prepared by copolymerization of multiple acids and glycols, mainly i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L67/02B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/40B29C48/92B29C2948/92704B29C2948/92895
Inventor 郭涛程庆王亮许晶玮叶南飚胡志华
Owner KINGFA SCI & TECH CO LTD
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