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A kind of caster composite material and preparation method thereof
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A composite material and caster technology, which is applied in the field of caster composite material and its preparation, can solve the problems of short life and poor wear resistance of casters.
Active Publication Date: 2021-04-27
厦门众臣元科技有限公司
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Problems solved by technology
[0004] In the above-mentioned patent, PC and ABS are used as the main materials, and no abrasives with good wear resistance are added. Therefore, when it is used to make casters, its wear resistance is poor, resulting in shortened caster life
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Embodiment 1
[0047] Embodiment 1: A kind of caster composite material, its raw material comprises the component of following parts by weight:
[0048] 35 parts of polycarbonate resin;
[0049] 25 parts of acrylonitrile-butadiene-styrene copolymer;
[0050] 2 parts of compatibilizer;
[0051] 6 parts of toughening agent;
[0052] 10 parts of graphite powder;
[0053] 3 parts of surface modified carbon fiber;
[0054] The compatibilizer is maleic anhydride grafted ABS, the toughening agent is methyl methacrylate, and the metal wear-resistant powder is nano molybdenum disulfide.
[0055] The preparation steps of surface modified carbon fiber are as follows:
[0056] (1) Acid modification of carbon fiber: After cleaning and drying the carbon fiber, stir and impregnate it with 1mol / L hydrochloric acid solution for 1 hour, filter it with suction, then wash it with deionized water, and obtain acid-modified carbon fiber after drying;
[0057] (2) Alkali modification of the acid-modified carb...
Embodiment 2
[0063] Embodiment 2: A caster composite material, the difference from Embodiment 1 is that its raw materials include the following components in parts by weight:
[0064] 45 parts of polycarbonate resin;
[0065] 15 parts of acrylonitrile-butadiene-styrene copolymer;
[0066] 3 parts of compatibilizer;
[0067] 8 parts of toughening agent;
[0068] 14 parts of graphite powder;
[0069] Surface modified carbon fiber 4 parts.
Embodiment 3
[0070] Embodiment 3: A kind of caster composite material, differs from embodiment 1 in that its raw material includes the following components in parts by weight:
[0071] 40 parts of polycarbonate resin;
[0072] 20 parts of acrylonitrile-butadiene-styrene copolymer;
[0073] 4 parts of compatibilizer;
[0074] 10 parts of toughening agent;
[0075] 20 parts of graphite powder;
[0076] 5 parts of surface modified carbon fiber.
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Abstract
The invention discloses a caster composite material and a preparation method thereof, and relates to the technical field of polymer materials. The raw material of the caster composite material includes the following components in parts by weight: 35-45 parts of polycarbonate resin; 15-25 parts of acrylonitrile-butadiene-styrene copolymer; 2-4 parts of compatibilizer; toughening agent 6‑10 parts; graphite powder 10‑20 parts; surface modified carbon fiber 3‑5 parts. The preparation steps of surface-modified carbon fiber are as follows: (1) After cleaning and drying the carbon fiber, stir and impregnate it with hydrochloric acid solution, filter it with suction, then wash it with deionized water, and obtain acid-modified carbon fiber after drying; (2) acid-modified carbon fiber Stir and impregnate carbon fiber with potassium hydroxide solution, suction filter, wash with deionized water, and dry to obtain alkali-modified carbon fiber; (3) Disperse metal wear-resistant powder in water to form a suspension, then add alkali-modified carbon fiber, and stir evenly Afterwards, suction filtration, drying to obtain surface modified carbon fibers. The invention improves the wear resistance of the material without reducing the mechanical properties of the material.
Description
technical field [0001] The invention relates to the technical field of polymer materials, more specifically, it relates to a caster composite material and a preparation method thereof. Background technique [0002] Conductive casters are actually adding conductive materials to the caster materials. Conductive casters are generally suitable for eliminating static electricity in factory work areas and are quiet. Generally, the conductivity of the conductive wheel is 10 to the 6th power, and the trial period is long. Even if the wheel is broken, it can continue to conduct electricity. [0003] In the Chinese invention patent with the publication number CN104629312A, an anti-aging conductive PC and ABS blended alloy is disclosed. 8%-12%, conductive carbon black 10%-15%, toughening agent 3%-8%, anti-aging agent 1%-3%, compatibilizer 0.5%-3%, antioxidant 0.1%-0.5% , Lubricant 0.5% to 1%. [0004] In the above-mentioned patent, PC and ABS are used as main materials, and no abras...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information
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