High-performance glass fiber-reinforced ABS composition and preparation method thereof
A high-performance, composite technology, applied in the field of modified plastics, can solve the problems of insufficient glass fiber reinforcement, poor interface bonding between resin and glass fiber, poor heat resistance, etc., to achieve enhanced interfacial coupling function, enhance the bonding strength, and improve the mechanical strength
Inactive Publication Date: 2016-03-30
TIANJIN KINGFA NEW MATERIAL
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Problems solved by technology
[0006] In view of this, the present invention aims to propose a high-performance glass fiber-reinforced ABS composition and a preparation method thereof to solve the problem of poor interface bonding between the resin and the glass fiber, which cannot give full play to the reinforcing effect of the glass fiber, and the composite material formed Poor performance such as strength, toughness, heat resistance, complicated process and high cost
Method used
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Embodiment 1-6， comparative example 4
[0029] A kind of high-performance glass fiber reinforced ABS composition, its raw material formula is as shown in table 1, and its preparation method comprises the following steps:
[0030] Weigh ABS resin, glass fiber, compatibilizer, silane coupling agent and additives by weight percentage and mix them in a high-speed mixer for 1-3 minutes; mix evenly to obtain a premix; place the premix in twin-screw extrusion In the main feed port of the machine, glass fiber is added from the side feed port for melt extrusion, granulation and drying. Determination of its performance, the specific data are listed in Table 3.
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Abstract
The invention provides a high-performance glass fiber-reinforced ABS composition and a preparation method thereof. A maleic anhydride-grafted ABS blended material is used as a compatilizer so that interface coupling effects of ABS and glass fibers are improved and mechanical strength of the ABS composition is obviously improved. Through use of a silane coupling agent and use of silane coupling agent characteristics of reaction with groups on the surfaces of the glass fibers and with resin, an interfacial layer is formed between the glass fibers and the resin base. The interfacial layer can transmit stress so that adhesion between the glass fibers and resin is improved, a stable structure is formed and the dispersed phase and the continuous phase are uniform and have compatibility. The used silane coupling agent is an amino silane coupling agent. Through use of the amino silane coupling agent containing two or more amino groups, activity is high and adhesion between the glass fibers and resin is improved so that mechanical properties of the composite material are greatly improved.
Description
technical field [0001] The invention belongs to the field of modified plastics, in particular to a high-performance glass fiber reinforced ABS composition and a preparation method thereof. Background technique [0002] Styrene-butadiene-acrylonitrile (ABS) resin combines the rigidity and heat resistance of acrylonitrile, the gloss and processability of polystyrene, and the impact resistance of polybutadiene, and is widely used in household Electrical appliances, office equipment, instrumentation, transportation, building materials, daily appliances and packaging materials and other fields. [0003] The use of glass fiber to reinforce ABS can further improve the mechanical properties of the composite material and increase its heat resistance temperature. The mechanical properties of glass fiber reinforced ABS largely depend on the bonding strength of ABS and glass fiber. Due to the poor interface bonding between resin and glass fiber, the reinforcing effect of glass fiber ca...
Claims
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IPC IPC(8): C08L55/02C08K13/04C08K7/14C08K5/5435C08K5/544
CPCC08L55/02C08L2201/08C08L2205/025C08K13/04C08K7/14C08K5/5435C08K5/544
Inventor 肖华明付锦锋王扬利陈刚
Owner TIANJIN KINGFA NEW MATERIAL