有机硅材料
有機硅材料
유궤규재료
SILICONE MATERIAL
2014年
3期
153-156
,共4页
严玉%段佳巍%郑家青%管智岑
嚴玉%段佳巍%鄭傢青%管智岑
엄옥%단가외%정가청%관지잠
硅橡胶%泡沫%辅助发泡剂%阻燃%多元醇%氢氧化铝%乙烯基苯基硅油%耐辐照性能
硅橡膠%泡沫%輔助髮泡劑%阻燃%多元醇%氫氧化鋁%乙烯基苯基硅油%耐輻照性能
규상효%포말%보조발포제%조연%다원순%경양화려%을희기분기규유%내복조성능
silicone rubber%sponge%auxiliary foaming agent%flame retardant%polyol%aluminum hydroxide%vinyl phenyl silicone oil%radiation resistance
以107硅橡胶、含氢硅油、端乙烯基硅油、氢氧化铝、石英砂、辅助发泡剂为主要原料,在铂催化剂的催化下制成室温硫化( RTV)硅橡胶泡沫。研究了辅助发泡剂种类及用量、氢氧化铝用量、发泡温度以及乙烯基苯基硅油对硅橡胶泡沫的发泡性能、阻燃性能和耐辐照性能的影响。结果表明,当使用2.0份丙三醇作辅助发泡剂时,硅橡胶泡沫的发泡系数最大;在20℃下,硅橡胶泡沫的发泡系数最大;添加15份氢氧化铝可有效地提高硅橡胶泡沫的阻燃性能,加入15份乙烯基苯基硅油可提高泡沫硅橡胶的耐辐照性能。
以107硅橡膠、含氫硅油、耑乙烯基硅油、氫氧化鋁、石英砂、輔助髮泡劑為主要原料,在鉑催化劑的催化下製成室溫硫化( RTV)硅橡膠泡沫。研究瞭輔助髮泡劑種類及用量、氫氧化鋁用量、髮泡溫度以及乙烯基苯基硅油對硅橡膠泡沫的髮泡性能、阻燃性能和耐輻照性能的影響。結果錶明,噹使用2.0份丙三醇作輔助髮泡劑時,硅橡膠泡沫的髮泡繫數最大;在20℃下,硅橡膠泡沫的髮泡繫數最大;添加15份氫氧化鋁可有效地提高硅橡膠泡沫的阻燃性能,加入15份乙烯基苯基硅油可提高泡沫硅橡膠的耐輻照性能。
이107규상효、함경규유、단을희기규유、경양화려、석영사、보조발포제위주요원료,재박최화제적최화하제성실온류화( RTV)규상효포말。연구료보조발포제충류급용량、경양화려용량、발포온도이급을희기분기규유대규상효포말적발포성능、조연성능화내복조성능적영향。결과표명,당사용2.0빈병삼순작보조발포제시,규상효포말적발포계수최대;재20℃하,규상효포말적발포계수최대;첨가15빈경양화려가유효지제고규상효포말적조연성능,가입15빈을희기분기규유가제고포말규상효적내복조성능。
RTV silicone rubber sponge was prepared with 107 silicone rubber , hydrogenous silicone oil , vinyl-terminated silicone oil , aluminum hydroxide , quartz sand and auxiliary foaming agent via hydrosilylation with Pt catalyst .The effects of the types and content of the auxiliary foaming agent and aluminum hydroxide , foaming temperature , vinyl phenyl silicone oil on the properties of foaming , fireproof and radiation resistance of the foam were studied .Results showed that the value of foaming ratio attained the maximum with 2.0 parts of glycerol .Foaming ratio of the foam reached the maximum at 20 ℃.The addition of 15 parts of aluminum hydroxide could effectively improve the properties of flame retardancy of the silicone rubber foam , and the property of radiation resistance could be improved with 15 parts of vinyl phenyl silicone oil .