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Glass fiber-reinforced PBT/ABS (Polybutylece Terephthalate/Acrylonitrile Butadiene Styrene) alloy material and preparation method thereof

A technology of alloy material and glass fiber, which is applied in the field of glass fiber-reinforced PBT/ABS alloy material and its preparation, can solve the problems of compatibility affecting the comprehensive performance of materials, and achieve improved chemical resistance, surface gloss, and cost low effect

Inactive Publication Date: 2014-01-22
QINGDAO XINZHAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The blending of PBT and ABS and the use of glass fiber reinforcement can achieve better complementary effects, but the compatibility of materials has become the key to affecting the comprehensive performance of materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A glass fiber-reinforced PBT / ABS alloy material, whose components are proportioned by mass percentage: PBT 50%, ABS 20%, alkali-free glass fiber 20%, NBR 5%, methyl methacrylate-methacrylic acid Glycidyl-propylene ethyl ester terpolymer 3%, polysiloxane 1.5%, phenolic antioxidant KY-1076 and phosphite antioxidant JC-242 compound 0.5%, of which, ABS The rubber content of NBR accounts for 15wt% to 30wt%, and the mass fraction of acrylonitrile in NBR is 25% to 30%.

[0024] Preparation method: (1) Dry PBT at 120°C-130°C for 4-6 hours, control the moisture content below 0.03%, and dry it for later use; (2) Dry ABS at 80°C-85°C for 2-4 hours , the moisture content is controlled below 0.05%, and it is used after drying; (3) Weigh the dried PBT and ABS according to the weight ratio, and after mixing evenly, add NBR and methyl methacrylate weighed according to the weight ratio A compound of ester-glycidyl methacrylate-propylene ethyl ester terpolymer, polysiloxane and phenolic...

Embodiment 2

[0026] A glass fiber reinforced PBT / ABS alloy material, its components are proportioned by mass percentage: PBT 70%, ABS 10%, alkali-free glass fiber 10%, NBR 5%, ABS-g-MAH 4%, hard Calcium esterate 0.5%, phenolic antioxidant KY-1076 0.5%, of which, the rubber content in ABS accounts for 15wt%~30wt%, and the mass fraction of acrylonitrile in NBR is 25%~30%.

[0027] Preparation method: (1) Dry PBT at 120°C-130°C for 4-6 hours, control the moisture content below 0.03%, and dry it for later use; (2) Dry ABS at 80°C-85°C for 2-4 hours , the moisture content is controlled below 0.05%, and it is used after drying; (3) Weigh the dried PBT and ABS according to the weight ratio, and after mixing evenly, add NBR and ABS-g- MAH, calcium stearate and phenolic antioxidant KY-1076, and then add to the high-speed mixer and mix thoroughly for 2 to 5 minutes; (4) Put the above-mentioned well-mixed mixture into the main feed of the twin-screw extruder Add the alkali-free glass fiber treated w...

Embodiment 3

[0029] A glass fiber-reinforced PBT / ABS alloy material, the components of which are proportioned by mass percentage: PBT 30%, ABS 30%, alkali-free glass fiber 20%, NBR 15%, PS graft 3%, poly 1.5% siloxane, 0.5% compound of phenolic antioxidant KY-1076 and phosphite antioxidant JC-242, among which, the rubber content in ABS accounts for 15wt% ~ 30wt%, and the propylene in NBR The mass fraction of nitrile is 25% to 30%.

[0030] Preparation method: (1) Dry PBT at 120°C-130°C for 4-6 hours, control the moisture content below 0.03%, and dry it for later use; (2) Dry ABS at 80°C-85°C for 2-4 hours , the moisture content is controlled below 0.05%, and it is used after drying; (3) Weigh the dried PBT and ABS according to the weight ratio, and after mixing evenly, add the grafted NBR and PS weighed according to the weight ratio compound of polysiloxane and phenolic antioxidant KY-1076 and phosphite antioxidant JC-242, and then add them into a high-speed mixer and mix them thoroughly ...

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Abstract

The invention discloses a glass fiber-reinforced PBT / ABS (Polybutylece Terephthalate / Acrylonitrile Butadiene Styrene) alloy material and a preparation method thereof. The glass fiber-reinforced PBT / ABS alloy material disclosed by the invention comprises the following components in percentage by weight: 30-70 percent of PBT, 10-30 percent of ABS, 10-30 percent of glass fiber, 5-15 percent of NBR (Nitrile-Butadiene Rubber), 2-5 percent of compatilizer, 0.2-3 percent of lubrication dispersing agent and 0.2-0.5 percent of antioxidant. The glass fiber-reinforced PBT / ABS alloy material has the characteristics of PBT and ABS; and glass fiber is used for reinforcement and modification so that the fatigue resistance, the hardness, the tensile strength, the bending strength, the bending modulus, the abrasion resistance and other aspects of the glass fiber-reinforced PBT / ABS alloy material are remarkably improved; and the glass fiber-reinforced PBT / ABS alloy material has the advantages of excellent comprehensive performance, stable size, high strength, attractive appearance, low cost and the like.

Description

technical field [0001] The invention relates to a polymer material, in particular to a glass fiber reinforced PBT / ABS alloy material and a preparation method thereof. Background technique [0002] Polybutylene terephthalate (PBT) is a crystalline thermoplastic polyester resin with excellent heat resistance, weather resistance, chemical resistance, good electrical properties, low water absorption and good gloss. It is widely used in the manufacturing of electronic appliances, auto parts, machinery, household goods, etc., and is called the five general-purpose engineering plastics together with PPS, PC, POM, and PA. However, PBT has disadvantages such as low strength, poor heat resistance, and large molding shrinkage, which greatly limit its development and application. At present, most of the PBT reinforcements are reinforced with glass fibers. The reinforced PBT not only improves the fatigue strength and hardness, but also significantly improves the tensile strength, flexur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L67/02C08L55/02C08L9/02C08L33/12C08L51/00C08L51/06C08L35/06C08K13/06C08K9/06C08K7/14B29B9/06B29C47/92B29C48/92
CPCB29C48/04B29C48/92B29C2948/9259B29C2948/92704B29C2948/92885B29C2948/92895
Inventor 不公告发明人
Owner QINGDAO XINZHAN PLASTIC
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