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Alloy resin composition and preparation method thereof

A technology of alloy resin and composition, which is applied in the field of polymer composite materials and its preparation, can solve problems such as poor weather resistance, high water absorption, and insufficient low-temperature impact resistance, and achieve improved weather resistance, high gloss, and satisfactory The effect of high temperature resistance

Active Publication Date: 2011-04-13
SHANGHAI KUMHO SUNNY PLASTICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the polybutadiene rubber in ABS resin contains unsaturated carbon-carbon double bonds, which is easily broken by heat, oxygen, and ultraviolet rays, and has poor weather resistance, so it cannot be directly applied to automotive exterior parts.
[0004] Automotive exterior parts require materials with high weather resistance and low temperature impact resistance. PA / PMMA alloy materials combine the advantages of PA and PMMA, and have excellent heat resistance, weather resistance and scratch resistance, but there is water absorption. High, low temperature impact resistance is not enough shortcomings

Method used

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  • Alloy resin composition and preparation method thereof
  • Alloy resin composition and preparation method thereof
  • Alloy resin composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] (1) 40kg polyamide resin, 35kg styrene-maleic anhydride resin and 5kg antioxidant are put into a high-speed mixer and stirred for 5-30 minutes to obtain mixture A;

[0064] (2) Add mixture A from the main feeding port of the twin-screw extruder, mix 10kg light absorber and 10kg light stabilizer first, then add from the side feeding port of the twin-screw extruder, control the extruder The barrel temperature is 200°C, the screw speed is 400rpm, and the weather-resistant masterbatch is obtained by extruding and granulating;

[0065] (3) 40kgPA6 resin, 20kgASA rubber powder, 10kgABS-g-GMA resin, 8kg gloss modifier, 10kgAS resin, 4kg compatibilizer AS-g-MAA, 3kg nanoscale talcum powder, 0.3kg antioxidant β- Add the mixture of (4-hydroxy-3,5-di-tert-butylphenyl) n-octadecyl propionate and tris(2,4-di-tert-butylphenyl) ester into a high-speed mixer and stir for 20 minutes Rear discharge, obtain mixture B;

[0066] (4) The mixture B obtained by step (3) is added from the mai...

Embodiment 2-6

[0068] In order to better reflect the characteristics of the above-mentioned high-performance polyamide / acrylonitrile-acrylate-styrene alloy resin composition, the present invention uses Examples 2-6 to compare different ASA-g-GMA resin dosages and different gloss The influence of modifier dosage, different nanofiller dosage, and different PA6 resin dosage on product performance, the specific material formula ratio is shown in Table 1, and the preparation method is the same as in Example 1.

Embodiment 7

[0089] A preparation method of an alloy resin composition, the method comprising the following steps:

[0090] (1) Preparation of weather-resistant masterbatch:

[0091] a, prepare materials according to the following components and parts by weight: polyamide resin 30kg, styrene-maleic anhydride resin 60kg, light absorber 3kg, light stabilizer 3kg, antioxidant 3kg, wherein the relative viscosity of polyamide resin is 2Pa· S, glass transition temperature is 20 DEG C, melting point is 200 DEG C, is the mixture of commercially available PA6 resin and PA66 resin, the content of maleic anhydride in the styrene-maleic anhydride resin is 15wt%, light absorber is 3, A mixture of 5-di-tert-butyl-4-hydroxybenzoic acid-2,4-di-tert-butylphenyl ester and 2-(2H-benzotriazol-2-yl) p-cresol, the light stabilizer is poly [[6-[(1,1,3,3-tetramethylbutyl)amine]-1,3,5-triazine-2,4-diyl][(2,2,6,6-tetra Methyl-4-piperidine)imine]-1,6-dihexanediyl[(2,2,6,6-tetramethyl-4-piperidine)imine]]] and seba...

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Abstract

The invention relates to an alloy resin composition and a preparation method thereof. The composition comprises the following components in part by weight: 30-60 parts of polyamide resins, 15-50 parts of ASA (Acetylsalicylic Acid) rubber powder, 10-20 parts of ASA-g-GMA (Glycidyl Methacrylate) resins, 5-15 parts of glossy modifiers, 0-30 parts of AS (Arsenic) resins, 1-8 parts of compatilizers, 5-10 parts of weather-resistant master batch, 1-5 parts of nano fillers and 0.05-0.5 part of antioxidant. The preparation method comprises the following steps of: adding the mixture of all raw materials expect for the weather-resistant master batch to a main charging hole of a double-screw extruder, adding the weather-resistant master batch from a side charging hole, and then carrying out extrusion and pelleting to obtain the product. The alloy resin composition obtained in the method has a softer leopard surface matting effect, a more glossy shiny side lighting effect and better low temperature impact resistance and weather resistance, and is especially suitable for automobile interiors and exteriors with high requirements, such as instrument frames, air outlets of air conditioners, storage boxes, doorknobs, cosmetic mirrors, heat-radiating gratings, rearview mirrors, middle post plates, license plates and the like above wasitlines.

Description

technical field [0001] The invention relates to a polymer composite material and a preparation method thereof, in particular to a polyamide / acrylonitrile-acrylate-styrene alloy resin composition and a preparation method thereof. Background technique [0002] Automotive interior parts generally have matte requirements, which is beneficial to reduce the driver's visual fatigue, thereby improving driving safety. At present, the matte effect of automotive interior parts is either sprayed with matte paint, or needs to be modified by adding a matte agent to the raw materials to meet the matte requirements of automobile interiors. Some people add ordinary inorganic fillers to the material. Large inorganic filler particles are dispersed on the surface of the product, which can greatly reduce the gloss of the material, but it also has a greater impact on the mechanical properties of the material. Some people add an incompatible rubber phase to the material to form diffuse reflection...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L77/02C08L77/06C08L77/00C08L51/00C08L25/12C08L25/08C08K13/02C08K3/34C08K3/26C08J3/22
Inventor 邱卫美周赞周霆罗明华辛敏琦
Owner SHANGHAI KUMHO SUNNY PLASTICS
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