合成材料老化与应用
閤成材料老化與應用
합성재료노화여응용
SYNTHETIC MATERIALS AGING AND APPLICATION
2013年
5期
31-34
,共4页
点焊密封胶%双面单点%焊接质量%焊核直径%密封性能%耐老化
點銲密封膠%雙麵單點%銲接質量%銲覈直徑%密封性能%耐老化
점한밀봉효%쌍면단점%한접질량%한핵직경%밀봉성능%내노화
spot welding sealant%both sides and single point%welding quality%diameter of nugget%sealing prop-erty%ageing resistance
采用氯丁橡胶为基体材料,配合邻苯二甲酸二葵酯、银粉、补强填料等助剂,采用行星分散工艺,制备得到广研R型点焊密封胶,对研制的产品进行了性能评估:应用广研R型点焊密封胶的试样,其点焊质量与美国同类产品无明显差距,达到焊接质量标准,且一定范围内的涂胶质量对剪切拉力和焊核直径未显示出差异;密封性能试验中,广研R型点焊密封胶显示出较好的密封性能,试验的最大气压值达0.25 MPa;另外,产品在人工气候老化试验后无裂纹,保持粘性。
採用氯丁橡膠為基體材料,配閤鄰苯二甲痠二葵酯、銀粉、補彊填料等助劑,採用行星分散工藝,製備得到廣研R型點銲密封膠,對研製的產品進行瞭性能評估:應用廣研R型點銲密封膠的試樣,其點銲質量與美國同類產品無明顯差距,達到銲接質量標準,且一定範圍內的塗膠質量對剪切拉力和銲覈直徑未顯示齣差異;密封性能試驗中,廣研R型點銲密封膠顯示齣較好的密封性能,試驗的最大氣壓值達0.25 MPa;另外,產品在人工氣候老化試驗後無裂紋,保持粘性。
채용록정상효위기체재료,배합린분이갑산이규지、은분、보강전료등조제,채용행성분산공예,제비득도엄연R형점한밀봉효,대연제적산품진행료성능평고:응용엄연R형점한밀봉효적시양,기점한질량여미국동류산품무명현차거,체도한접질량표준,차일정범위내적도효질량대전절랍력화한핵직경미현시출차이;밀봉성능시험중,엄연R형점한밀봉효현시출교호적밀봉성능,시험적최대기압치체0.25 MPa;령외,산품재인공기후노화시험후무렬문,보지점성。
A kind of R-type spot welding sealant was prepared by chloroprene rubber as a basis material,di-iso-decyl phthalate,aluminium powder,reinforcement fillers and other additives and its performance was evaluated in this paper. The welding quality of spot welding sample used together with GY R-type spot welding sealant was as good as the American similar product. Experimental results showed that shear tension force and diameter of nugget had not changed significantly when amount of sealant spread changed within a certain range. And GY R-type spot welding sealant showed better sealing performance whose maximum value of air pressure could be up to 0. 25 MPa in test. Furthermore,the sealant product had no cracking and kept stickiness after artificial weathering test.