,POE分子結構中側辛基長于側乙基,在分子結構中可形成聯(lián)結點,在各成分之間起到聯(lián)結、緩沖作用,使體系在受到?jīng)_擊時起分散、緩沖沖擊能的作用,減少銀紋因受力發(fā)展成裂紋的機會,從而提高了體系的沖擊強度,由于這些聯(lián)結點所形成的網(wǎng)絡狀結構可以發(fā)生較大的形變,所以,體系的斷裂伸長率有顯著的增加;因此,隨著POE含量增加,PP體系的斷裂伸長率和沖擊強度會有很大提高;POE含量在增加時也要多加注意,一般增加量應控制在20%以下,如果POE含量超高,會導致體系的彎曲強度、拉伸強度和彎曲模量均有所下降,這都是由POE本身性能所決定滴... 長期大量現(xiàn)貨供應美國陶氏泰國陶氏POE
TPOENGAGE? 7270 (POE ENGAGE? 7447 (POE)ENGAGE? 7457 (POE) ENGAGE? 7467 (POE)ENGAGE? 8003(POE) ENGAGE? 8100 (POE)ENGAGE? 8107 (POE) ENGAGE? 8130 (POE)ENGAGE? 8137 (POE) ENGAGE? 8150 (POE)ENGAGE? 8157 (POE) ENGAGE? 8180 (POE)ENGAGE? 8200 (POE) ENGAGE? 8207 (POE)ENGAGE? 8400 (POE) ENGAGE? 8401 (POE)ENGAGE? 8402 (POE) ENGAGE? 8407 (POE)ENGAGE? 8411 (POE) ENGAGE? 8440 (POE)ENGAGE? 8450 (POE) ENGAGE? 8452 (POE)ENGAGE? 8480 (POE) ENGAGE? 8540 (POE)ENGAGE? 8842 (POE)
隨著POE塑料含量的增加,體系的沖擊強度和斷裂伸長率有很大的提高。可見,POE塑料對PP有優(yōu)良的增韌作用,與PP、活性碳酸鈣有較好的相容性。這是因為POE塑料的分子量分布窄,分子結構中側辛基長于側乙基,在分子結構中可形成聯(lián)結點,在各成分之間起到聯(lián)結、緩沖作用,使體系在受到?jīng)_擊時起分散、緩沖沖擊能的作用,減少銀紋因受力發(fā)展成裂紋的機會,從而提高了體系的沖擊強度。當體系受到張力時,由于這些聯(lián)結點所形成的網(wǎng)絡狀結構可以發(fā)生較大的形變。