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Filling modified PET/PTT alloy and preparation method thereof

A PTT20%, modified technology, applied in the field of filler modified PET/PTT alloy and its preparation, can solve the problems of limited application effect and application field, unstable mechanical strength, rough outer surface, etc., to achieve easy industrial production and promotion , excellent mechanical properties and flame retardant properties, good dimensional stability

Inactive Publication Date: 2015-08-19
QINGDAO JIAYIYANG IND & TRADE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, unmodified PET / PTT has the problems of poor toughness, unstable mechanical strength and rough outer surface, which will greatly limit its application effect and application field

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A filler-modified PET / PTT alloy, whose components are proportioned by mass percentage: PET 60%, PTT 20%, SMA 4%, modified filler 15%, sodium benzoate 0.5%, antioxidant 0.1%, PETS 0.3%, PPFBS 0.1%, the PET is polyethylene terephthalate with an intrinsic viscosity of 0.6-1.2dL / g, and the PTT is polyethylene terephthalate with an intrinsic viscosity of 0.7-1.2dL / g ester, the modified filler is a uniform mixture of heavy calcium carbonate with a particle size of less than 5 μm, precipitated barium sulfate with a particle size of 0.5-1 μm, and wollastonite with a particle size of 5-20 μm in a mass ratio of 2:1:1. Composite filler activated by composite coupling agent, the antioxidant is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 at a mass ratio of 1:1.

[0022] Preparation method: (1), dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, and set aside; Ground calcium carbonate less than 5 μm, precipitated barium ...

Embodiment 2

[0024] A filler-modified PET / PTT alloy, whose components are proportioned by mass percentage: PET 54%, PTT 30%, EMG 4%, modified filler 10%, sodium benzoate 0.5%, antioxidant 0.5%, PETS 0.9%, PPFBS 0.1%, the PET is polyethylene terephthalate with an intrinsic viscosity of 0.6-1.2dL / g, and the PTT is polyethylene terephthalate with an intrinsic viscosity of 0.7-1.2dL / g ester, the modified filler is a uniform mixture of heavy calcium carbonate with a particle size of less than 5 μm, precipitated barium sulfate with a particle size of 0.5-1 μm, and wollastonite with a particle size of 5-20 μm in a mass ratio of 2:1:1. Composite filler activated by composite coupling agent, the antioxidant is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 at a mass ratio of 1:1.

[0025] Preparation method: (1), dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, and set aside; Ground calcium carbonate less than 5 μm, precipitated barium ...

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PUM

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Abstract

The present invention discloses a filling modified PET / PTT alloy and a preparation method thereof. The filling modified PET / PTT alloy is composed of the following compositions in mass percentage ratio: 50%-60% PET, 20%-30% PTT, 2%-4% compatibilizer, 5%-15% modified filling, 0.1%-0.5% nucleating agent, 0.1-0.5% antioxidant, 0.1%-1% PETS and 0.1%-1% PPFBS. The beneficial effects of the filling modified PET / PTT alloy are that the PET / PTT alloy not only has the original merits of each of PET and PTT, but also has excellent mechanical performance and flame retardant performance, good heat resistance, high strength, good dimensional stability, low cost, wide adaptability and simple preparation process, and is easy for industrial production and promotion.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a filler-modified PET / PTT alloy and a preparation method thereof. Background technique [0002] PET (polyethylene terephthalate) / PTT (polytrimethylene terephthalate) is a new type of plastic alloy, which has excellent molding processing, impact resistance, high temperature heat aging resistance, and chemical resistance. Performance, so it is widely used in the fields of automobiles, electrical and electronic, mechanical parts, fibers and so on. However, unmodified PET / PTT has the problems of poor toughness, unstable mechanical strength, and rough outer surface, which will greatly limit its application effect and application field. In order to improve performance, it is often necessary to add a third component to PET / PTT to better improve its application effect and application field. Contents of the invention [0003] The object of the present invention is to provide...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08L35/06C08K13/06C08K9/04C08K3/26C08K3/30C08K3/34C08K5/134C08K5/526C08K5/103C08K5/42
Inventor 不公告发明人
Owner QINGDAO JIAYIYANG IND & TRADE