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Modifing method for filling thermoplastic resin by using waste automobile thermosetting plastic
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A thermoplastic resin, thermosetting technology, used in the field of waste automobile thermosetting plastic modification and filling thermoplastic resin
Inactive Publication Date: 2019-03-15
NINGXIA UNIVERSITY
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Rare reports on recycling methods of waste car thermosetting plastics
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[0034] 检测结果表明:聚丙烯 / SCA1623改性废弃汽车热固性塑料复合材料的拉伸强度、冲击强度以及弯曲强度分别为30.15 MPa、5.47 kJ / m 2 、48.76MPa。
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Abstract
The invention relates to a method for modifying waste automobile thermosetting plastic and filling thermoplastic resin, and relates to the technical field of waste recycling. The invention aims to provide a modified method for waste automobile thermosetting plastic, the waste automobile thermosetting plastic serves as a filler of thermoplastic resin, a new way is provided for recycling of waste automobile thermosetting plastic, and the pollution of landfill and incineration disposal to the environment is reduced. Through the addition of a silanescoupling agent, the compatibility of waste automobile thermosetting plastic and nonpolar resin is strengthened, the dispersity among components is improved, the adhesive property between two materials is strengthened, and the excellent mechanicalproperty is shown.
Description
technical field [0001] 本发明涉及一种废弃汽车热固性塑料改性并填充热塑性树脂的方法,属于废弃物回收技术领域。 Background technique [0002] 当前,中国汽车行业发展迅速,汽车生产量不断增长,社会对汽车的需求量与国民汽车保有量也逐年增大。汽车新产品不断推陈出新,加快了车主更换汽车或零部件的频率,汽车的生命周期不断缩短,汽车报废量迅猛增长。据统计,截止2016年底我国报废汽车量已超过800万辆。据测算,截至2025年,我国每年报废汽车数量将以10%以上的比率持续性增长。可见,中国报废汽车行业的发展空间相当巨大,报废汽车的有效回收利用已成为中国发展循环经济不可或缺的重要组成部分。 [0003] 每辆汽车上使用约50-60种热塑性塑料和热固性塑料,主要为聚丙烯、聚乙烯、聚氯乙烯、聚氨酯、聚甲醛、聚碳酸酯、玻璃纤维增强的聚酯、聚酰胺等。汽车上的塑料件多达800-1000个,其单件质量重的约5 kg,轻的只有几克,甚至不到1 g。据统计,每年拆解的报废汽车约为100万辆,废弃热固性塑料约2万吨。目前,填埋和焚烧是处理废弃热固性塑料的主要方法。但是,填埋处理侵占有限耕地,严重浪费、污染了了国土资源。而塑料在焚烧过程中,聚合物发生裂解,释放出大量的有害气体,如聚氨酯燃烧产生氰化物。 [0004] 依托科技手段,从可持续发展的理念出发,研究废旧汽车有效回收和再生利用至关重要,它既存在保护环境和节约资源的价值,也推动了环境、经济、社会的协调发展。关于废弃汽车热固性塑料回收再利用的方法罕有报道。 [0005] 硅烷偶联剂通式为R n S i x (4-n) . 其中,R是一种非水解的、能够与聚合物相结合的有机官能团。 可以根据不同聚合物的不同性质选择与聚合物分子亲和力较好的R官能团,如环烷基、氨基、乙烯基、硫酸基、甲基丙烯酸酯基等。 X为可水解基团,遇到水溶液、空气中的水分子或者填料表面吸附的水分时均可以引起水解,能够与填料表面有较好的反应性。 Hongjia Lin研究中表明,γ-氨丙基三乙氧基硅烷偶联剂KH550的使用可以改善填料在基体中的分散性,从而避免应力集中,增强复合材料的力学性能。 Contents of the invention [0006] 本发明的目的在于提供一种...
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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