發布時間:2019-10-30
環氧乙烯基(ji)酯樹脂(zhi)酚醛樹脂(zhi)主(zhu)要(yao)用(yong)(yong)于(yu)制(zhi)(zhi)(zhi)(zhi)造各種塑(su)料、涂料、膠粘劑及合成(cheng)纖(xian)維等(deng)常用(yong)(yong)木粉(fen)(fen)(fen)(fen)作填料,再經粉(fen)(fen)(fen)(fen)碎過篩(shai)即可(ke)制(zhi)(zhi)(zhi)(zhi)得壓(ya)塑(su)粉(fen)(fen)(fen)(fen)。壓(ya)塑(su)粉(fen)(fen)(fen)(fen)生產模(mo)壓(ya)制(zhi)(zhi)(zhi)(zhi)品的壓(ya)塑(su)粉(fen)(fen)(fen)(fen)是酚醛樹脂(zhi)的主(zhu)要(yao)用(yong)(yong)途之一(yi)。采用(yong)(yong)輥(gun)壓(ya)法、螺旋擠出法和(he)乳(ru)液(ye)法使樹脂(zhi)浸漬填料并與其(qi)他助劑混合均勻。為制(zhi)(zhi)(zhi)(zhi)造某些(xie)高(gao)電絕(jue)緣(yuan)性(xing)和(he)耐熱性(xing)制(zhi)(zhi)(zhi)(zhi)件,也(ye)用(yong)(yong)云母粉(fen)(fen)(fen)(fen)、石棉粉(fen)(fen)(fen)(fen)、石英(ying)粉(fen)(fen)(fen)(fen)等(deng)無機(ji)填料。壓(ya)塑(su)粉(fen)(fen)(fen)(fen)可(ke)用(yong)(yong)模(mo)壓(ya)、傳送模(mo)塑(su)和(he)注射成(cheng)型法制(zhi)(zhi)(zhi)(zhi)成(cheng)各種塑(su)料制(zhi)(zhi)(zhi)(zhi)品。熱塑(su)性(xing)酚醛樹脂(zhi)壓(ya)塑(su)粉(fen)(fen)(fen)(fen)主(zhu)要(yao)用(yong)(yong)于(yu)制(zhi)(zhi)(zhi)(zhi)造開關、插座、插頭等(deng)電氣(qi)零件,日用(yong)(yong)品及其(qi)他工業制(zhi)(zhi)(zhi)(zhi)品。熱固性(xing)酚醛樹脂(zhi)壓(ya)塑(su)粉(fen)(fen)(fen)(fen)主(zhu)要(yao)用(yong)(yong)于(yu)制(zhi)(zhi)(zhi)(zhi)造高(gao)電絕(jue)緣(yuan)制(zhi)(zhi)(zhi)(zhi)件。
增強(qiang)(qiang)酚醛塑(su)(su)料(liao)以酚醛樹(shu)脂(主(zhu)要(yao)(yao)是熱固性酚醛樹(shu)脂)溶液或乳液浸(jin)漬各種纖(xian)(xian)維及(ji)其(qi)織物,經(jing)干燥、壓制成型的各種增強(qiang)(qiang)塑(su)(su)料(liao)是重要(yao)(yao)的工(gong)業資料(liao)。不(bu)只機械強(qiang)(qiang)度高、綜(zong)合性能好,而且(qie)可(ke)進行(xing)機械加工(gong)。以玻璃(li)纖(xian)(xian)維、石(shi)英纖(xian)(xian)維及(ji)其(qi)織物增強(qiang)(qiang)的酚醛塑(su)(su)料(liao)主(zhu)要(yao)(yao)用于制造各種制動器(qi)摩擦(ca)片和化工(gong)防腐蝕(shi)塑(su)(su)料(liao);高硅氧玻璃(li)纖(xian)(xian)維和碳纖(xian)(xian)維增強(qiang)(qiang)的酚醛塑(su)(su)料(liao)是航天(tian)工(gong)業的重要(yao)(yao)耐燒蝕(shi)材料(liao)。