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Automotive ABS plastic alloy material and preparation method thereof

The technology of ABS plastic and alloy material is applied in the field of ABS plastic alloy material for vehicles and its preparation, which can solve the problems of low tensile strength, low compressive strength, low impact strength and the like, and achieve the effect of simple operation and low cost

Inactive Publication Date: 2016-05-25
徐明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] In view of the above technical problems, the present application provides an ABS plastic alloy material for vehicles and its preparation method, which solves the technical problems of low tensile strength, low impact strength and low compressive strength of existing plastic alloy materials.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Weigh 100 parts of ABS according to the weight ratio; 1 part of SMA; 15 parts of EPDM; 10 parts of glass fiber; 25 parts of DCP; 1 part of PP; 5 parts of PTT; 5 parts of TLCP; share.

[0026] Put the raw materials into the mixer for mixing, raise the temperature to 70°C, mix at a mixing speed of 80r / min, and mix for 60min.

[0027] After mixing evenly, put it into the twin-screw extruder, the barrel temperature is 210°C, 215°C, 220°C, 225°C, 230°C, the screw temperature is 230°C, the head temperature is 230°C, 235°C, 240°C, 245°C, 250°C , screw speed 14r / min, feeding speed 30r / min.

[0028] The tensile strength of the product is 60MPa, the elongation at break is 140%, and the impact strength is 35kJ / m 2 ; The melt flow index of the product is 6g / 10min, and the Rockwell hardness is 100; the product has high strength, the bending strength is 100MPa, and the bending elastic modulus is 2.2GPa; the viscosity is 560mPa·s, and the Vicat softening point is 120°C.

Embodiment 2

[0030] Weigh 100 parts of ABS; 5 parts of SMA; 35 parts of EPDM; 30 parts of glass fiber; 45 parts of DCP; 5 parts of PP; 25 parts of PTT; 25 parts of TLCP; 8 parts of HDPE; share.

[0031] Put the raw materials into the mixer for mixing, heat up to 80°C, mix at a mixing speed of 90r / min, and mix for 70min.

[0032] After mixing evenly, put it into the twin-screw extruder, the barrel temperature is 220°C, 225°C, 230°C, 235°C, 240°C, the screw temperature is 240°C, the head temperature is 240°C, 245°C, 250°C, 255°C, 260°C , screw speed 18r / min, feeding speed 50r / min.

[0033] The tensile strength of the product is 70MPa, the elongation at break is 150%, and the impact strength is 40kJ / m 2 ; The melt flow index of the product is 6g / 10min, and the Rockwell hardness is 105; the product has high strength, the bending strength is 110MPa, and the bending elastic modulus is 2.3GPa; the viscosity is 570mPa·s, and the Vicat softening point is 130°C.

Embodiment 3

[0035] Weigh 100 parts of ABS; 2 parts of SMA; 20 parts of EPDM; 15 parts of glass fiber; 30 parts of DCP; 2 parts of PP; 10 parts of PTT; 10 parts of TLCP; 5 parts of HDPE; share.

[0036] Put the raw materials into the mixer for mixing, raise the temperature to 70°C, mix at a mixing speed of 80r / min, and mix for 60min.

[0037] After mixing evenly, put it into the twin-screw extruder, the barrel temperature is 210°C, 215°C, 220°C, 225°C, 230°C, the screw temperature is 230°C, the head temperature is 230°C, 235°C, 240°C, 245°C, 250°C , screw speed 14r / min, feeding speed 30r / min.

[0038] The tensile strength of the product is 80MPa, the elongation at break is 160%, and the impact strength is 45kJ / m 2 ;The melt flow index of the product is 7g / 10min, and the Rockwell hardness is 110; the product has high strength, the bending strength is 120MPa, and the bending elastic modulus is 2.4GPa; the viscosity is 580mPa·s, and the Vicat softening point is 140°C.

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Abstract

The invention discloses an automotive ABS plastic alloy material and a preparation method thereof. ABS, SMA, EPDM, glass fiber, DCP, PP, PTT, TLCP, HDPE, alkyl methyl phosphite diplenyl ester and UHMWPE are weighed according to parts of weight, the tensile strength of the product is 60-100 MPa, the elongation at break is 140-180%, the impact strength is 35-55 kJ / m<2>, the melt flow index of the product is 6-8 g / 10 min, and the rockwell hardness is 100-120; the product is high in strength, the bending strength is 100-140 MPa, the elastic modulus in bending is 2.2-2.6 GPa, the viscosity is 560-600 MPa.s, and a vicat softening point is 120-160 DEG C.

Description

technical field [0001] The application belongs to the field of plastic alloy materials, in particular to an ABS plastic alloy material for vehicles and a preparation method thereof. Background technique [0002] Plastic alloys are a class of new materials with high performance, functionalization and specialization obtained by physical blending or chemical grafting. Plastic alloy products can be widely used in automobiles, electronics, precision instruments, office equipment, packaging materials, building materials and other fields. It can improve or increase the performance of existing plastics and reduce costs, and has become one of the most active varieties in the plastics industry, growing very rapidly. my country's plastics industry must recognize the situation, identify gaps, seize opportunities, increase investment in science and technology, accelerate the development of the plastics industry, and strive to catch up with the world's development level. [0003] Gene...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L23/16C08L23/12C08L23/06C08K7/14C08K5/14C08K5/526B29C47/92B29C48/92
CPCC08L55/02B29C48/92B29C2948/92704C08L2205/02C08L2205/035C08L23/16C08L23/12C08L23/06C08K7/14C08K5/14C08K5/526
Inventor 徐明
Owner 徐明
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