CN101905230A - 聚氯乙烯人造革废弃物的再利用 - Google Patents
聚氯乙烯人造革废弃物的再利用 Download PDFInfo
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- CN101905230A CN101905230A CN2009100329094A CN200910032909A CN101905230A CN 101905230 A CN101905230 A CN 101905230A CN 2009100329094 A CN2009100329094 A CN 2009100329094A CN 200910032909 A CN200910032909 A CN 200910032909A CN 101905230 A CN101905230 A CN 101905230A
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- polyvinyl chloride
- waste
- artificial leather
- plasticizer
- slippers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
一种聚氯乙烯人造革废弃物的再利用,将聚氯乙烯即PVC发泡人造革的边角料粉碎后,或回收料经清洗晒干粉碎后,经熔炼挤出、粉碎成颗粒料,用100重量份颗粒料,经添加0~20份增塑剂等添加剂加温搅拌塑化,即可进行注射成型。注射成型后的产品,用专用涂料加以涂装,便可成为颜色、花纹多样的美观成品。
Description
所属技术领域:
本发明涉及一种聚氯乙烯即PVC人造革废弃物的再利用,具体指用PVC发泡人造革的边角料或回收料制造拖鞋或鞋底,属资源再生。
背景技术:
每年的拖鞋和鞋底生产,消耗大量的PVC树脂粉、增塑剂和发泡剂,而PVC发泡人造革的结构又是以PVC树脂粉、增塑剂和发泡剂为主成份。利用PVC发泡人造革的边角料等废弃物生产发泡拖鞋或鞋底,可以完全不用PVC树脂粉,减少增塑剂和发泡剂的用量。
发明内容:
本发明提供一种不用PVC树脂粉生产发泡拖鞋或鞋底的方法,即用PVC发泡人造革的边角料、回收料完全代替PVC树脂粉,同时减少增塑剂、发泡剂的用量。
技术方案:
本发明的技术方案是:将PVC发泡人造革的边角料粉碎后,或回收料经清洗晒干粉碎后,经熔炼挤出、粉碎,经添加增塑剂等添加剂加温搅拌塑化,即可进入注塑成型程序。
本发明的有益效果是:回收利用可再生资源,节约PVC树脂粉等化工原料,降低产品成本。
具体实施方式:
首先,将回收的人造革废弃物分类,PVC发泡革的工业边角料为首选,如果是生活废弃物应弃除金属件,清洗晒干,尽可能的排除PU革和合成革的混入。将准备好的回收料进行粉碎、熔炼,粉碎要求最大碎片应小于5mm。用单螺杆挤出熔炼机熔炼后,经冷却后将不规则的塑料块状粉碎成小于5mm的颗粒料备用。
生产的如果是发泡拖鞋,按重量份计,100份的颗粒料,15~20份的邻苯二甲酸二丁酯,1~2.5份的AC发泡剂,进入拌料机搅拌并加温塑化3~4小时,倒出进一步散发水分,即可进入注塑机注射成型,用专用涂料加以涂装便可成为颜色、花纹多样的美观成品。
生产的如果是皮、凉鞋底,根据产品的硬度要求,100份的颗粒料,0~10份的邻苯二甲酸二丁酯,与生产拖鞋同法即可。
Claims (2)
1.聚氯乙烯人造革废弃物的再利用,将聚氯乙烯即PVC发泡人造革的边角、回收料经粉碎、熔炼挤出、粉碎成颗粒料,添加增塑剂、发泡剂加温搅拌塑化,即可注射成拖鞋或皮、凉鞋底,其特征是:完全取代PVC树脂粉,减少或取消增塑剂、发泡剂的添加量。
2.根据权利要求1所述的聚氯乙烯人造革废弃物的再利用,其特征是:所述的注射成拖鞋或皮、凉鞋底,经对成型基材实施涂装,便可成为颜色、花纹多样的美观成品。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110607021A (zh) * | 2019-09-24 | 2019-12-24 | 中国皮革制鞋研究院有限公司 | 皮革屑复合改性eva发泡鞋材的制备方法 |
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- 2009-06-08 CN CN2009100329094A patent/CN101905230A/zh active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110607021A (zh) * | 2019-09-24 | 2019-12-24 | 中国皮革制鞋研究院有限公司 | 皮革屑复合改性eva发泡鞋材的制备方法 |
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Application publication date: 20101208 |