CN1032819C - 废硫化胶化学塑化机械再生法 - Google Patents

废硫化胶化学塑化机械再生法 Download PDF

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CN1032819C
CN1032819C CN91111354A CN91111354A CN1032819C CN 1032819 C CN1032819 C CN 1032819C CN 91111354 A CN91111354 A CN 91111354A CN 91111354 A CN91111354 A CN 91111354A CN 1032819 C CN1032819 C CN 1032819C
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rubber
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段定选
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Abstract

废硫化胶化学塑化机械再生法,属于废硫化橡胶的再生处理。废胶经破碎、筛选(除纤维)后,加入一定比例的塑化剂,经机械加工成再生胶。这种再生法,处理过程无污染,方法简单、成本低,经处理的再生胶可相应达到国家规定的技术指标,能据需要加工成新的橡胶制品。

Description

废硫化胶化学塑化机械再生法
本发明涉及一种废硫化胶化学塑化机械再生法,属于废硫化橡胶的再生处理。
现在国内普遍使用的“油法”及“水油法”再生橡胶,由于工艺过程中大量排放废水。废汽,污染环境,多年以来一直是难以解决的“公害”;目前的化学塑化法,其再生产品只能用于防水涂料,不能重新加工成新的橡胶制品。
本发明的目的在于提供一种废硫化橡胶化学塑化机械再生法,处理过程无任何环境污染,处理后的再生胶可加工成新的橡胶制品。
上述目的是这样实现的。废硫化胶经机械破碎后,其粒度不必很细,按照100份(重量份)废橡胶,加入塑化剂5~40份(重量份),经过捏炼、精炼,制成再生胶。对于含纤维及其它骨架杂质的废橡胶,破碎后经过筛选,除去纤维、杂质后才可进行塑化再生。塑化剂含57.8%的香芹酮(C10H14O)、30.9%的薄荷醇(C10H18O)4.7%的庚二烯(C10H16)、6.6%的杂醇油组成。对于含硫量大于5份(重量份)以上的硫化胶或硫化程度较深的过硫胶,塑化前在100份(重量份)塑化剂中加入0.3份(重量份)多烷基苯酚二硫化物搅拌均匀,再用于塑化。
下面结合附图对本发明的实施例作进一步详述。
图1为“水油法”再生胶工艺流程图
图2为本发明的工艺流程图
塑化剂含57.8%的香芹酮(C10H14O)、30.9%的薄荷醇(C10H18O)、4.7%的庚二烯(C10H16)、6.6%的杂醇油组成。对于含硫量大于5份(重量份)以上的硫化胶或硫化程度较深的过硫胶,塑化前在100份(重量份)塑化剂中加入0.3份(重量份)多烷基苯酚二硫化物搅拌均匀,再用于塑化。在破碎、筛选后的废硫化胶中加入塑化剂,使废橡胶溶胀后硫化胶分子裂解,经机械碾压重新形成新的再生橡胶,即将硫化橡胶的弹性变为新的塑性,使之再加工成新的橡胶制品。
实施例1:半自硫的各种混炼胶或橡胶制品的边皮废料,可先在开炼机或破碎机上破碎,待胶料包辊后视半自硫程度加入5~8份(重量份)塑化剂拌合,待其吸收完毕,三道薄通后即可出片。
实施例2:未经硫化的废乳胶,破碎后每100份(重量份)胶料中,直接加入塑化剂10份,在开炼机上加工出再生胶。
实施例3:硫化轮胎及鞋类,经破碎,除去纤维后成胶沫状,每100份胶料中加入塑化剂25份,均匀拌合停放四小时以上,即可进行机械加工,以密炼机或脱硫锅均匀搅合10分钟即可进行精炼胶片。若用开炼机或挤出机加工,时间要长一些。
实施例4:对于含硫量较大的硬质废橡胶,经破碎除纤后,每100份胶料先加入塑化剂25份,经停放,机械加工后。再加入15份塑化剂,再行加工即可塑化。
这种废硫化胶化学塑化机械再生法,具有方法简单,处理过程无污染,成本低产量大,经处理的再生胶相应达到国家技术标准,可加工成新的橡胶制品。

Claims (2)

1.一种废硫化胶化学塑化机械再生法,其特征在于:
a、将废硫化胶经破碎、筛选后,按照100份(重量份)废橡胶加入5~40份塑化剂,经过捏炼、精炼,制成再生胶,
b、塑化剂含57.8%的香芹酮(C10H14O)、30.9%的薄荷醇(C10H18O)、4.7%的庚二烯(C10H16)、6.6%的杂醇油组成。
2.据权利要求1所述的机械再生法,其特征在于:对于含硫量大于5份(重量份)以上的硫化胶或硫化程度较深的过硫胶,塑化前在100份(重量份)塑化剂中加入0.3份多烷基苯酚二硫化物搅拌均匀。
CN91111354A 1991-12-05 1991-12-05 废硫化胶化学塑化机械再生法 Expired - Fee Related CN1032819C (zh)

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Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1050371C (zh) * 1995-04-15 2000-03-15 栾同德 一种废旧橡胶再生方法
CN1056863C (zh) * 1995-05-05 2000-09-27 李莲香 分解剂法制备再生胶方法
CN1058031C (zh) * 1995-11-28 2000-11-01 李光祖 低温液体再生橡胶的生产方法
US7767722B2 (en) 2006-12-11 2010-08-03 Green Source Energy Llc Devulcanized rubber and methods
CN107282596A (zh) * 2017-06-22 2017-10-24 江苏国胶化学科技有限公司 残留胶块回收利用装置

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