CN111172778B - 一种有机硅合成革及其制造方法 - Google Patents

一种有机硅合成革及其制造方法 Download PDF

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CN111172778B
CN111172778B CN202010055259.1A CN202010055259A CN111172778B CN 111172778 B CN111172778 B CN 111172778B CN 202010055259 A CN202010055259 A CN 202010055259A CN 111172778 B CN111172778 B CN 111172778B
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CN111172778A (zh
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范德文
李江群
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Jiangxi Saioteco New Material Co ltd
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Abstract

本发明涉及一种有机硅合成革及其制造方法,属于有机硅合成革的制造技术领域,具体涉及一种基于无卤阻燃技术的有机硅合成革。本发明的有机硅合成革自上而下由三层材料组成,分别为阻燃面层、阻燃底层、基布层,本发明基于无卤阻燃技术的有机硅合成革除具有较好的阻燃性外,同时还具有较好的耐磨性、防污性、耐水解、安全性,较低的烟雾释放等性能。

Description

一种有机硅合成革及其制造方法
技术领域
本发明涉及一种有机硅合成革及其制造方法,属于有机硅合成革的制造技术领域。
背景技术
聚氨酯、聚氯乙烯作为传统的合成革涂覆材料已经具有数十年的历史,期间技术不停的更新换代,其产品层出不穷。然而对于阻燃要求高的应用方向,其阻燃技术却鲜有更新。对于现有的聚氨酯合成革的阻燃技术,其一般是通过两种途径实现阻燃,一种在聚氨酯树脂中添加卤素阻燃剂或者有机磷等阻燃剂;另一种是对布料进行阻燃后处理。这些对应的技术固然提高了材料的阻燃性能,然而,其燃烧分解所释放的HCl、HBr、氰化氢、含磷化合物等不仅令人窒息,同时也产生了大量的黑烟。而对于PVC人造革,尽管PVC是阻燃材料,具有火焰自熄性,然而在周围物质剧烈燃烧时,其材料也会受热分解出大量的HCl、二噁英等剧毒物质,减少了人类的逃生几率。
有机硅合成革作为近十年来出现的合成革品种,其耐水解、耐UV、防污性、阻燃性等诸多性能都优于传统的合成革材料,为市场上比较热门的品种。尽管有机硅材料本身具有一定的阻燃性,可以应对家具等要求不高的阻燃测试,然而对于建筑、游艇、汽车、飞机等阻燃要求高的应用,其本身还具有一定的局限性。
中国专利(CN107254177A)提出了一种合成革用阻燃硅胶及其制备方法,尽管该发明技术提升了硅胶的阻燃性能,然而,其作为合成革的涂覆材料却缺乏耐磨及手感性能。
中国专利(CN108130750A)提出了一种无卤阻燃的硅橡胶皮革及其涂布工艺,其原料有乙烯基含氟硅油、疏水白炭黑、无机填料等组成,尽管未使用卤素阻燃剂,然而其原料含有大量的卤族元素氟元素,其燃烧分解会分解出剧毒的氟化氢等潜在风险。
发明内容
本发明的目的在于克服上述现有技术的不足之处而提供一种有机硅合成革及其制造方法,该基于无卤阻燃技术的有机硅合成革除具有较好的阻燃性外,同时还具有较好的耐磨性、防污性、耐水解、安全性,较低的烟雾释放等性能。
为实现上述目的,本发明采取的技术方案为:一种有机硅合成革,所述有机硅合成革自上而下由三层材料组成,分别为阻燃面层、阻燃底层、基布层;
所述阻燃面层的制备原料包含如下重量份的组分:乙烯基硅油100份、疏水型白炭黑5-50份、含氢硅油1-15份、纳米耐磨填料10-50份、阻燃剂10-50份、协同阻燃剂1-10份、色膏0.1-10份、铂金催化剂0.1-10份、抑制剂0.01-5份;
所述阻燃底层的制备原料包含如下重量份的组分:乙烯基硅油100份、甲基硅树脂1-20份、含氢硅油1-15份、疏水型白炭黑5-40份、阻燃剂10-50份、协同阻燃剂1-10份、色膏0.1-10份、铂金催化剂0.1-10份、抑制剂0.01-5份;
所述基布层的材料为对位芳纶、间位芳纶、碳纤维、预氧纤维、玻璃纤维、超高分子量聚乙烯纤维、阻燃聚丙烯腈、阻燃粘胶纤维中的至少一种。
作为本发明所述有机硅合成革的优选实施方式,所述阻燃面层中,纳米耐磨填料的用量为20-35份,阻燃剂的用量为15-30份;所述阻燃底层中,阻燃剂的用量为15-30份。
作为本发明所述有机硅合成革的优选实施方式,所述乙烯基硅油为分子链上至少含有两个与硅原子相连的乙烯基的聚二甲硅氧烷,乙烯基处于分子链的末端或侧位,分子链结构为直链或支链,25℃下的粘度为5000-300000mpa.s。
作为本发明所述有机硅合成革的优选实施方式,所述疏水型白炭黑为经过D3、D4、硅烷偶联剂或硅氮烷处理剂处理的气相法二氧化硅,比表面积为50-400m2/g。
作为本发明所述有机硅合成革的优选实施方式,所述含氢硅油为分子链上至少含有三个与硅原子直接相连的活性氢原子的聚二甲基硅氧烷,活性氢原子处于分子链的末端或侧位,含氢量为0.1-1.6%,25℃下的粘度为1-10000mpa.s。
作为本发明所述有机硅合成革的优选实施方式,所述纳米耐磨填料为球形纳米金属氧化物粉体或球形纳米非金属氧化物粉体,可以列举为球形硅微粉、球形氧化铝、球形碳化硅、球形氮化硅等,粒径为50-2000nm。粒径太大影响面层内聚力,力学强度太差;粒径太小则体现不出耐磨效果。
作为本发明所述有机硅合成革的优选实施方式,所述阻燃剂为氢氧化镁、氢氧化铝、硼酸锌、碳酸钠、碳酸氢钠、碱式碳酸钠、红磷、可膨胀石墨中的至少一种,粒径为1-100μm;所述协同阻燃剂为苯并三唑或其衍生物;所述色膏为使用乙烯基硅油分散介质的颜料,颜料为无机颜料或有机颜料。
作为本发明所述有机硅合成革的优选实施方式,所述铂金催化剂为铂黑、氯铂酸、四氯化铂,或为吸附在固体载体上的铂、氯铂酸、四氯化铂,或为铂与烯烃或烯基硅氧烷(例如乙烯基双封头、乙烯基环体)的络合物;所述抑制剂为炔醇类抑制剂(例如2-甲基-3丁炔-2-醇、1-乙炔基-1-环己醇、2-丙炔-1-醇等)、乙烯基的硅氧烷或其聚合物(例如1,3,5,7-四乙烯基四甲基环四硅氧烷、多乙烯基硅油等)、胺类化合物(伯胺、仲胺等)、磷酸盐或亚磷酸盐。
作为本发明所述有机硅合成革的优选实施方式,所述甲基硅树脂的结构为MT型、MQ型、MTQ型、MDQ型、MDT型中的至少一种,或为上述结构的组合物,数均分子量不做特别的限定,优选为2000-20000。
作为本发明所述有机硅合成革的优选实施方式,所述基布层的结构为针织结构、梭织结构、针刺无纺布结构或水刺无纺布结构,厚度为0.1-3.0mm。
第二方面,本发明提供了上述有机硅合成革的制备方法,包括以下步骤:
(1)将乙烯基硅油、疏水型白炭黑、含氢硅油、纳米耐磨填料、阻燃剂、协同阻燃剂、色膏、铂金催化剂、抑制剂投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,得到阻燃面层胶;
(2)将乙烯基硅油、甲基硅树脂、含氢硅油、疏水型白炭黑、阻燃剂、协同阻燃剂、色膏、铂金催化剂、抑制剂投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,得到阻燃底层胶;
(3)将步骤(1)制得的阻燃面层胶涂布于离型纸上,送入90-150℃的隧道炉烤箱中烘烤1-10min,再将步骤(2)制得的阻燃底层胶涂布于硫化好的阻燃面层胶上,然后贴合基布,送入100-150℃的隧道炉烤箱中烘烤2-5min,剥去离型纸,即得有机硅合成革。
与现有技术相比,本发明的有益效果为:本发明基于无卤阻燃技术的有机硅合成革除具有较好的阻燃性外,同时还具有较好的耐磨性、防污性、耐水解、安全性,较低的烟雾释放等性能。
具体实施方式
为更好地说明本发明的目的、技术方案和优点,下面将结合具体实施例对本发明作进一步说明。
实施例1
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:10000pas.s),20份疏水型白炭黑(D4处理,比表面积200m2/g),3份含氢硅油(粘度:300mpa.s,含氢量:1.0%),20份球形纳米氧化铝填料(粒径:100nm),40份氢氧化铝(粒径:20μm),4份苯并三唑,5份色膏,2份铂金催化剂(铂与四甲基二乙烯基二硅氧烷的络合物),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:10000pas.s),10份甲基硅树脂(MT型,数均分子量:6000),6份含氢硅油(粘度:300mpa.s,含氢量:0.5%),10份疏水型白炭黑(D4处理,比表面积200m2/g),40份氢氧化铝(粒径:20μm),5份苯并三唑,5份色膏,1.2份铂金催化剂(铂与四甲基二乙烯基二硅氧烷的络合物),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入100℃的隧道炉烤箱中烘烤5min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合对位芳纶的针织结构的基布(厚度1.0mm),送入120℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例2
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:20000pas.s),20份疏水型白炭黑(D4处理,比表面积200m2/g),3份含氢硅油(粘度:300mpa.s,含氢量:1.0%),20份球形纳米氧化铝填料(粒径:100nm),35份氢氧化镁(粒径:5μm),4份苯并三唑,5份色膏,2份铂金催化剂(铂与四甲基二乙烯基二硅氧烷的络合物),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:20000pas.s),10份甲基硅树脂(MT型,数均分子量:6000),6份含氢硅油(粘度:300mpa.s,含氢量:0.5%),10份疏水型白炭黑(D4处理,比表面积200m2/g),35份氢氧化铝(粒径:5μm),5份苯并三唑,5份色膏,1.2份铂金催化剂(铂与四甲基二乙烯基二硅氧烷的络合物),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入100℃的隧道炉烤箱中烘烤5min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合预氧纤维与玻纤混纺的无纺布(厚度1.0mm),送入120℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例3
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:20000pas.s),10份疏水型白炭黑(D4处理,比表面积200m2/g),3份含氢硅油(粘度:300mpa.s,含氢量:1.0%),25份球形纳米氧化铝填料(粒径:100nm),40份氢氧化镁(粒径:5μm),3份苯并三唑,5份色膏,2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:20000pas.s),15份甲基硅树脂(MT型,数均分子量:6000),6份含氢硅油(粘度:300mpa.s,含氢量:0.5%),10份疏水型白炭黑(D4处理,比表面积200m2/g),40份氢氧化铝(粒径:5μm),3份苯并三唑,5份色膏,1.2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入110℃的隧道炉烤箱中烘烤3min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合对位芳纶的无纺布(厚度0.5mm),送入110℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例4
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:20000pas.s),10份疏水型白炭黑(D4处理,比表面积200m2/g),3份含氢硅油(粘度:300mpa.s,含氢量:1.0%),25份球形纳米氧化铝填料(粒径:100nm),30份硼酸锌(粒径:10μm),7份苯并三唑,5份色膏,2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:20000pas.s),15份甲基硅树脂(MT型,数均分子量:6000),6份含氢硅油(粘度:300mpa.s,含氢量:0.5%),10份疏水型白炭黑,30份硼酸锌(粒径:10μm),7份苯并三唑,5份色膏,1.2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入110℃的隧道炉烤箱中烘烤3min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合对位芳纶的无纺布(厚度0.5mm),送入110℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例5
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:60000pas.s),5份疏水型白炭黑(D4处理,比表面积200m2/g),3份含氢硅油(粘度:300mpa.s,含氢量:1.0%),25份球形纳米氧化铝填料(粒径:100nm),35份碳酸氢钠(粒径:10μm),2份苯并三唑,5份色膏,2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:60000pas.s),10份甲基硅树脂(MT型,数均分子量:6000),6份含氢硅油(粘度:300mpa.s,含氢量:0.5%),5份疏水型白炭黑,35份碳酸氢钠(粒径:10μm),2份苯并三唑,5份色膏,1.2份铂金催化剂(氯铂酸的乙醇溶液),0.5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入110℃的隧道炉烤箱中烘烤3min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合阻燃粘胶纤维的梭织结构基布(厚度1.2mm),送入110℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例6
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:60000pas.s),5份疏水型白炭黑(D4处理,比表面积200m2/g),15份含氢硅油(粘度:300mpa.s,含氢量:1.0%),10份球形纳米氧化铝填料(粒径:100nm),10份碳酸氢钠(粒径:10μm),1份苯并三唑,10份色膏,10份铂金催化剂(氯铂酸的乙醇溶液),0.01份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:60000pas.s),1份甲基硅树脂(MT型,数均分子量:6000),1份含氢硅油(粘度:300mpa.s,含氢量:0.5%),5份疏水型白炭黑,10份碳酸氢钠(粒径:10μm),1份苯并三唑,0.1份色膏,0.1份铂金催化剂(氯铂酸的乙醇溶液),0.01份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入110℃的隧道炉烤箱中烘烤3min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合阻燃粘胶纤维的梭织结构基布(厚度1.2mm),送入110℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
实施例7
一种有机硅合成革,通过以下制备方法制得:
(1)将100份端乙烯基硅油(粘度:60000pas.s),50份疏水型白炭黑(D4处理,比表面积200m2/g),1份含氢硅油(粘度:300mpa.s,含氢量:1.0%),50份球形纳米氧化铝填料(粒径:100nm),50份碳酸氢钠(粒径:10μm),10份苯并三唑,0.1份色膏,0.1份铂金催化剂(氯铂酸的乙醇溶液),5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃面层胶;
(2)将100份乙烯基硅油(粘度:60000pas.s),20份甲基硅树脂(MT型,数均分子量:6000),15份含氢硅油(粘度:300mpa.s,含氢量:0.5%),40份疏水型白炭黑,50份碳酸氢钠(粒径:10μm),10份苯并三唑,10份色膏,10份铂金催化剂(氯铂酸的乙醇溶液),5份2-甲基-3丁炔-2-醇投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,即为阻燃底层胶;
(3)将调配好的阻燃面层胶涂布于离型纸上,送入110℃的隧道炉烤箱中烘烤3min中,再将调配好的阻燃底层胶涂布于硫化好的阻燃面层胶上面,然后贴合阻燃粘胶纤维的梭织结构基布(厚度1.2mm),送入110℃的隧道炉烤箱中烘烤3min,再将剥去离型纸,即得无卤阻燃的有机硅合成革。
效果例1
针对实施例1~7,使用下述方法对有机硅合成革的性能进行评判,测试结果如表1所示。
阻燃性:按照FMVSS302、IMO2010FTP Code(part 8)、FAR 25.853、GB8624-2012、DIN4102-1进行测试。
耐磨性:按照ISO/NP17076-2004的规定进行试验,采用CS-10砂轮、1000g的负重,测试转数为3000转。评判标准:1级为很明显,2级为比较明显,3级为能分辨出,4级为难以分辨出,5级为无法分辨出。
耐水解性:按照ISO1419:1995的规定进行测试,测试周期为14个星期。
防污性:按照CFFA-141的规定进行测试。
表1
Figure BDA0002372577940000091
从表1可以看出,实施例1~7具有显著的阻燃性、耐磨性、耐水解性、及防污性等特性,从而印证了本发明提出的解决方案的合理性和实际效果。
效果例2
本发明中,纳米耐磨填料的用量、阻燃剂的用量影响本发明有机硅合成革的性能。设置试验组1~5以考察纳米耐磨填料的用量、阻燃剂的用量对有机硅合成革性能的影响。试验组1~5中,仅纳米耐磨填料的用量、阻燃剂的用量不同,其余组分及制备方法均相同。纳米耐磨填料的用量、阻燃剂的用量如表2所示。同时,对试验组1~5进行性能测试,测试结果如表3所示。
表2
Figure BDA0002372577940000092
Figure BDA0002372577940000101
表3
Figure BDA0002372577940000102
由表3可知,纳米耐磨填料的用量、阻燃剂的用量影响本发明有机硅合成革的性能。当阻燃面层中,纳米耐磨填料的用量为20-35份,阻燃剂的用量为15-30份,阻燃底层中,阻燃剂的用量为15-30份时,制备得到的有机硅合成革的综合性能最佳。
最后所应当说明的是,以上实施例仅用以说明本发明的技术方案而非对本发明保护范围的限制,尽管参照较佳实施例对本发明作了详细说明,本领域的普通技术人员应当理解,可以对本发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的实质和范围。

Claims (9)

1.一种有机硅合成革,其特征在于,所述有机硅合成革自上而下由三层材料组成,分别为阻燃面层、阻燃底层、基布层;
所述阻燃面层的制备原料包含如下重量份的组分:乙烯基硅油100份、疏水型白炭黑5-50份、含氢硅油1-15份、纳米耐磨填料20-35份、阻燃剂15-30份、协同阻燃剂1-10份、色膏0.1-10份、铂金催化剂0.1-10份、抑制剂0.01-5份;
所述阻燃底层的制备原料包含如下重量份的组分:乙烯基硅油100份、甲基硅树脂1-20份、含氢硅油1-15份、疏水型白炭黑5-40份、阻燃剂15-30份、协同阻燃剂1-10份、色膏0.1-10份、铂金催化剂0.1-10份、抑制剂0.01-5份;
所述基布层的材料为对位芳纶、间位芳纶、碳纤维、预氧纤维、玻璃纤维、超高分子量聚乙烯纤维、阻燃聚丙烯腈、阻燃粘胶纤维中的至少一种;
其中,所述纳米耐磨填料为球形纳米金属氧化物粉体或球形纳米非金属氧化物粉体,粒径为50-2000nm;所述阻燃剂为氢氧化镁、氢氧化铝、硼酸锌、碳酸钠、碳酸氢钠、碱式碳酸钠、红磷、可膨胀石墨中的至少一种,粒径为1-100μm;所述协同阻燃剂为苯并三唑或其衍生物。
2.如权利要求1所述的有机硅合成革,其特征在于,所述乙烯基硅油为分子链上至少含有两个与硅原子相连的乙烯基的聚二甲硅氧烷,乙烯基处于分子链的末端或侧位,分子链结构为直链或支链,25℃下的粘度为5000-300000mpa.s。
3.如权利要求1所述的有机硅合成革,其特征在于,所述疏水型白炭黑为经过D3、D4、硅烷偶联剂或硅氮烷处理剂处理的气相法二氧化硅,比表面积为50-400m2/g。
4.如权利要求1所述的有机硅合成革,其特征在于,所述含氢硅油为分子链上至少含有三个与硅原子直接相连的活性氢原子的聚二甲基硅氧烷,活性氢原子处于分子链的末端或侧位,含氢量为0.1-1.6%,25℃下的粘度为1-10000mpa.s。
5.如权利要求1所述的有机硅合成革,其特征在于,所述色膏为使用乙烯基硅油分散介质的颜料,颜料为无机颜料或有机颜料。
6.如权利要求1所述的有机硅合成革,其特征在于,所述铂金催化剂为铂黑、氯铂酸、四氯化铂,或为吸附在固体载体上的铂、氯铂酸、四氯化铂,或为铂与烯烃或烯基硅氧烷的络合物;所述抑制剂为炔醇类抑制剂、乙烯基的硅氧烷或其聚合物、胺类化合物、磷酸盐或亚磷酸盐。
7.如权利要求1所述的有机硅合成革,其特征在于,所述甲基硅树脂的结构为MT型、MQ型、MTQ型、MDQ型、MDT型中的至少一种。
8.如权利要求1所述的有机硅合成革,其特征在于,所述基布层的结构为针织结构、梭织结构、针刺无纺布结构或水刺无纺布结构,厚度为0.1-3.0mm。
9.如权利要求1~8任一项所述的有机硅合成革的制备方法,其特征在于,包括以下步骤:
(1)将乙烯基硅油、疏水型白炭黑、含氢硅油、纳米耐磨填料、阻燃剂、协同阻燃剂、色膏、铂金催化剂、抑制剂投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,得到阻燃面层胶;
(2)将乙烯基硅油、甲基硅树脂、含氢硅油、疏水型白炭黑、阻燃剂、协同阻燃剂、色膏、铂金催化剂、抑制剂投入行星搅拌机中,通冷却水搅拌1h,在抽真空搅拌30min,得到阻燃底层胶;
(3)将步骤(1)制得的阻燃面层胶涂布于离型纸上,送入90-150℃的隧道炉烤箱中烘烤1-10min,再将步骤(2)制得的阻燃底层胶涂布于硫化好的阻燃面层胶上,然后贴合基布,送入100-150℃的隧道炉烤箱中烘烤2-5min,剥去离型纸,即得有机硅合成革。
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