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Nano-PET/PTT alloy material

An alloy material, PTT20% technology, applied in the field of nano-PET/PTT alloy materials, can solve the problems of unstable mechanical properties, poor high heat resistance, and limited application effects, etc., achieving low cost, good processability, and wide adaptability Effect

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, the unstable mechanical properties of PET / PTT, poor high heat resistance, and rough surface of the product will greatly limit its application effect.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A nano-PET / PTT alloy material, the components of which are proportioned by mass percentage: PET 25%, PTT 35%, nano-calcium carbonate 15%, aluminum-titanium composite coupling agent 0.5%, polybutylene terephthalate -polyethylene oxide-polypropylene oxide triblock copolymer 8%, styrene-maleic anhydride-acrylate terpolymer 3%, antioxidant 0.5%, modified ethylene bis stearamide 1%, glass fiber 12%, the antioxidant is a compound of hindered phenolic antioxidant 1010 and phosphite antioxidant 168 with a mass ratio of 1:1, and the glass fiber is the surface of the γ- Alkali-free chopped glass fibers activated with aminopropyltrimethoxysilane.

[0022] Preparation method: (1) Dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, dry nano-calcium carbonate at 80°C-85°C for 30-45 minutes, and set aside ; (2) Weigh the dry nano-calcium carbonate according to the weight ratio and add it to a high-speed mixer with a cylinder temperature of 80°C to 120°C, an...

Embodiment 2

[0024] A nano-PET / PTT alloy material, the composition of which is: PET 54%, PTT 20%, nano-silicon dioxide 10%, titanate coupling agent 0.2%, polybutylene terephthalate Ester-polyethylene oxide-polypropylene oxide triblock copolymer 5%, maleic anhydride grafted ABS 2%, antioxidant 0.2%, modified ethylene bis stearamide 0.6%, glass fiber 8% , the antioxidant is a compound of hindered phenolic antioxidant 1076 and phosphite antioxidant 168 with a mass ratio of 1:1, and the glass fiber is surface-treated with γ-aminopropyltrimethoxysilane Activation treated E-chopped glass fiber.

[0025] Preparation method: (1) Dry PET and PTT in a forced air circulation oven at 110°C-120°C for 6-8 hours, dry nano-calcium carbonate at 80°C-85°C for 30-45 minutes, and set aside ; (2) Weigh the dry nano-calcium carbonate according to the weight ratio and add it to the high-speed mixer with a cylinder temperature of 80 ° C ~ 120 ° C, and add the titanate coupling agent according to the weight ratio...

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Abstract

The present invention discloses a nano-PET / PTT alloy material, which comprises the following components in mass percentage: 25-55% of PET, 20-35% of PTT, 10-15% of nano-particles, 0.1-0.5% of coupling agent, 5-8% of plasticizer, 2-4% of compatilizer, 0.1-0.5% of anti-oxidant, 0.1-1% of lubricant, and 8-12% of glass fibers. The nano-particles are composed of one component selected from nano calcium carbonate, nano silica, nano magnesium hydroxide, nanometer kaolin and nano-montmorillonite. According to the invention, the original advantages of PET and PTT materials are kept, while the alloy material is excellent in mechanical performance, heat resistance and processability at the same time. Meanwhile, the alloy material is warpage-free, good in appearance, low in cost and wide in adaptability.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a nano-PET / PTT alloy material. Background technique [0002] Polyethylene terephthalate (PET) / polytrimethylene terephthalate (PTT) belongs to a new type of polymer plastic alloy material, which has excellent molding processing, impact resistance, high temperature heat aging resistance, and Chemicals and other properties, so it will have broad application prospects in the fields of automobiles, electronic appliances, home appliances, and fibers. However, the unstable mechanical properties of PET / PTT, poor high heat resistance, and rough surface of the product will greatly limit its application effect. In order to improve the performance of PET / PTT, it is often necessary to add a third component to PET / PTT for modification, so as to obtain a blended composite system with considerable practical value. Nanoparticles can not only significantly improve the mechanical proper...

Claims

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Application Information

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IPC IPC(8): C08L67/02C08K13/06C08K9/06C08K9/04C08K3/26C08K3/36C08K3/22C08K3/34C08K7/14B29B9/06B29C47/92B29C48/92
Inventor 不公告发明人
Owner QINGDAO JIAYIYANG IND & TRADE
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