常(Chang)用(Yong)胶(Jiao)水(Shui)
一(Yi)丶(?)硅(Gui)胶(Jiao)特(Te)性(Xing):
1.耐(Nai)温(Wen)特(Te)性(Xing)：(?)有(You)机(Ji)硅(Gui)产(Chan)品(Pin)是(Shi)以(Yi)硅(Gui)-氧(Yang)(si-o)键(Jian)为(Wei)主(Zhu)链(Lian)结(Jie)构(Gou)的(De),c-c键(Jian)的(De)键(Jian)能(Neng)为(Wei)82.6千(Qian)卡(Ka)/克(Ke)分(Fen)子(Zi),si-o键(Jian)的(De)键(Jian)能(Neng)在(Zai)有(You)机(Ji)硅(Gui)中(Zhong)为(Wei)121千(Qian)卡(Ka)/克(Ke)分(Fen)子(Zi),所(Suo)以(Yi)有(You)机(Ji)硅(Gui)产(Chan)品(Pin)的(De)热(Re)稳(Wen)定(Ding)性(Xing)高(Gao),高(Gao)温(Wen)下(Xia)(或(Huo)辐(Fu)射(She)照(Zhao)射(She))分(Fen)子(Zi)的(De)化(Hua)学(Xue)键(Jian)不(Bu)断(Duan)裂(Lie)、(?)不(Bu)分(Fen)解(Jie)。(?)有(You)机(Ji)硅(Gui)不(Bu)但(Dan)可(Ke)耐(Nai)高(Gao)温(Wen),而(?)且(Qie)也(Ye)耐(Nai)低(Di)温(Wen),可(Ke)在(Zai)一(Yi)个(Ge)很(Hen)宽(Kuan)的(De)温(Wen)度(Du)范(Fan)围(Wei)内(Nei)使(Shi)用(Yong)。(?)无(Wu)论(Lun)是(Shi)化(Hua)学(Xue)性(Xing)能(Neng)还(Huan)是(Shi)物(Wu)理(Li)机(Ji)械(Xie)性(Xing)能(Neng),随(Sui)温(Wen)度(Du)的(De)变(Bian)化(Hua)都(Du)很(Hen)小(Xiao)。(?)
2.耐(Nai)候(Hou)性(Xing)：(?)有(You)机(Ji)硅(Gui)产(Chan)品(Pin)的(De)主(Zhu)链(Lian)为(Wei)-si-o-,无(Wu)双(Shuang)键(Jian)存(Cun)在(Zai),因(Yin)此(Ci)不(Bu)易(Yi)被(Bei)紫(Zi)外(Wai)光(Guang)和(He)臭(Chou)氧(Yang)所(Suo)分(Fen)解(Jie)。(?)有(You)机(Ji)硅(Gui)具(Ju)有(You)比(Bi)其(Qi)他(Ta)高(Gao)分(Fen)子(Zi)材(Cai)料(Liao)更(Geng)好(Hao)的(De)热(Re)稳(Wen)定(Ding)性(Xing)以(Yi)及(Ji)耐(Nai)辐(Fu)照(Zhao)和(He)耐(Nai)候(Hou)能(Neng)力(Li)。(?)有(You)机(Ji)硅(Gui)中(Zhong)自(Zi)然(Ran)环(Huan)境(Jing)下(Xia)的(De)使(Shi)用(Yong)寿(Shou)命(Ming)可(Ke)达(Da)几(Ji)十(Shi)年(Nian)。(?)
3.电(Dian)气(Qi)绝(Jue)缘(Yuan)性(Xing)能(Neng)：(?)有(You)机(Ji)硅(Gui)产(Chan)品(Pin)都(Du)具(Ju)有(You)良(Liang)好(Hao)的(De)电(Dian)绝(Jue)缘(Yuan)性(Xing)能(Neng),其(Qi)介(Jie)电(Dian)损(Sun)耗(Hao)、(?)耐(Nai)电(Dian)压(Ya)、(?)耐(Nai)电(Dian)弧(Hu)、(?)耐(Nai)电(Dian)晕(Yun)、(?)体(Ti)积(Ji)电(Dian)阻(Zu)系(Xi)数(Shu)和(He)表(Biao)面(Mian)电(Dian)阻(Zu)系(Xi)数(Shu)等(Deng)均(Jun)在(Zai)绝(Jue)缘(Yuan)材(Cai)料(Liao)中(Zhong)名(Ming)列(Lie)前(Qian)茅(Mao),而(?)且(Qie)它(Ta)们(Men)的(De)电(Dian)气(Qi)性(Xing)能(Neng)受(Shou)温(Wen)度(Du)和(He)频(Pin)率(Lu)的(De)影(Ying)响(Xiang)很(Hen)小(Xiao)。(?)因(Yin)此(Ci),它(Ta)们(Men)是(Shi)一(Yi)种(Zhong)稳(Wen)定(Ding)的(De)电(Dian)绝(Jue)缘(Yuan)材(Cai)料(Liao),被(Bei)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)电(Dian)子(Zi)、(?)电(Dian)气(Qi)工(Gong)业(Ye)上(Shang)。(?)有(You)机(Ji)硅(Gui)除(Chu)了(Liao)具(Ju)有(You)优(You)良(Liang)的(De)耐(Nai)热(Re)性(Xing)外(Wai),还(Huan)具(Ju)有(You)优(You)异(Yi)的(De)拒(Ju)水(Shui)性(Xing),这(Zhe)是(Shi)电(Dian)气(Qi)设(She)备(Bei)在(Zai)湿(Shi)态(Tai)条(Tiao)件(Jian)下(Xia)使(Shi)用(Yong)具(Ju)有(You)高(Gao)可(Ke)靠(Kao)性(Xing)的(De)保(Bao)障(Zhang)。(?)
4.生(Sheng)理(Li)惰(Duo)性(Xing)：(?)聚(Ju)硅(Gui)氧(Yang)烷(Wan)类(Lei)化(Hua)合(He)物(Wu)是(Shi)已(Yi)知(Zhi)的(De)最(Zui)无(Wu)活(Huo)性(Xing)的(De)化(Hua)合(He)物(Wu)中(Zhong)的(De)一(Yi)种(Zhong)。(?)它(Ta)们(Men)十(Shi)分(Fen)耐(Nai)生(Sheng)物(Wu)老(Lao)化(Hua),与(Yu)动(Dong)物(Wu)体(Ti)无(Wu)排(Pai)异(Yi)反(Fan)应(Ying),并(Bing)具(Ju)有(You)较(Jiao)好(Hao)的(De)抗(Kang)凝(Ning)血(Xue)性(Xing)能(Neng)。(?)
5.低(Di)表(Biao)面(Mian)张(Zhang)力(Li)和(He)低(Di)表(Biao)面(Mian)能(Neng)：(?)有(You)机(Ji)硅(Gui)的(De)主(Zhu)链(Lian)十(Shi)分(Fen)柔(Rou)顺(Shun),其(Qi)分(Fen)子(Zi)间(Jian)的(De)作(Zuo)用(Yong)力(Li)比(Bi)碳(Tan)氢(Qing)化(Hua)合(He)物(Wu)要(Yao)弱(Ruo)得(De)多(Duo),因(Yin)此(Ci),比(Bi)同(Tong)分(Fen)子(Zi)量(Liang)的(De)碳(Tan)氢(Qing)化(Hua)合(He)物(Wu)粘(Zhan)度(Du)低(Di),表(Biao)面(Mian)张(Zhang)力(Li)弱(Ruo),表(Biao)面(Mian)能(Neng)小(Xiao),成(Cheng)膜(Mo)能(Neng)力(Li)强(Qiang)。(?)这(Zhe)种(Zhong)低(Di)表(Biao)面(Mian)张(Zhang)力(Li)和(He)低(Di)表(Biao)面(Mian)能(Neng)是(Shi)它(Ta)获(Huo)得(De)多(Duo)方(Fang)面(Mian)应(Ying)用(Yong)的(De)主(Zhu)要(Yao)原(Yuan)因(Yin):疏(Shu)水(Shui)、(?)消(Xiao)泡(Pao)、(?)泡(Pao)沫(Mo)稳(Wen)定(Ding)、(?)防(Fang)粘(Zhan)、(?)润(Run)滑(Hua)、(?)上(Shang)光(Guang)等(Deng)各(Ge)项(Xiang)优(You)异(Yi)性(Xing)能(Neng)。(?)
二(?)、(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)特(Te)性(Xing):
(1)力(Li)学(Xue)性(Xing)能(Neng)高(Gao)：(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)具(Ju)有(You)很(Hen)强(Qiang)的(De)内(Nei)聚(Ju)力(Li),分(Fen)子(Zi)结(Jie)构(Gou)致(Zhi)密(Mi),所(Suo)以(Yi)它(Ta)的(De)力(Li)学(Xue)性(Xing)能(Neng)高(Gao)于(Yu)酚(Fen)醛(Quan)树(Shu)脂(Zhi)和(He)不(Bu)饱(Bao)和(He)聚(Ju)酯(Zhi)等(Deng)通(Tong)用(Yong)型(Xing)热(Re)固(Gu)性(Xing)树(Shu)脂(Zhi)。(?)
(2)附(Fu)着(Zhuo)力(Li)强(Qiang)：(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)固(Gu)化(Hua)体(Ti)系(Xi)中(Zhong)含(Han)有(You)活(Huo)性(Xing)极(Ji)大(Da)的(De)环(Huan)氧(Yang)基(Ji)、(?)羟(Qiang)基(Ji)以(Yi)及(Ji)醚(Mi)键(Jian)、(?)胺(An)键(Jian)、(?)酯(Zhi)键(Jian)等(Deng)极(Ji)性(Xing)基(Ji)团(Tuan),赋(Fu)予(Yu)环(Huan)氧(Yang)固(Gu)化(Hua)物(Wu)对(Dui)金(Jin)属(Shu)、(?)陶(Tao)瓷(Ci)、(?)玻(Bo)璃(Li)、(?)混(Hun)凝(Ning)士(Shi)、(?)木(Mu)材(Cai)等(Deng)极(Ji)性(Xing)基(Ji)材(Cai)以(Yi)优(You)良(Liang)的(De)附(Fu)着(Zhuo)力(Li)。(?)
(3)固(Gu)化(Hua)收(Shou)缩(Suo)率(Lu)小(Xiao)：(?)一(Yi)般(Ban)为(Wei)1%~2%。(?)是(Shi)热(Re)固(Gu)性(Xing)树(Shu)脂(Zhi)中(Zhong)固(Gu)化(Hua)收(Shou)缩(Suo)率(Lu)最(Zui)小(Xiao)的(De)品(Pin)种(Zhong)之(Zhi)一(Yi)(酚(Fen)醛(Quan)树(Shu)脂(Zhi)为(Wei)8%~10%;不(Bu)饱(Bao)和(He)聚(Ju)酯(Zhi)树(Shu)脂(Zhi)为(Wei)4%~6%;有(You)机(Ji)硅(Gui)树(Shu)脂(Zhi)为(Wei)4%~8%)。(?)线(Xian)胀(Zhang)系(Xi)数(Shu)也(Ye)很(Hen)小(Xiao),一(Yi)般(Ban)为(Wei)6×10-5/℃(?)。(?)所(Suo)以(Yi)固(Gu)化(Hua)后(Hou)体(Ti)积(Ji)变(Bian)化(Hua)不(Bu)大(Da)。(?)
(4)工(Gong)艺(Yi)性(Xing)好(Hao)：(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)固(Gu)化(Hua)时(Shi)基(Ji)本(Ben)上(Shang)不(Bu)产(Chan)生(Sheng)低(Di)分(Fen)子(Zi)挥(Hui)发(Fa)物(Wu),所(Suo)以(Yi)可(Ke)低(Di)压(Ya)成(Cheng)型(Xing)或(Huo)接(Jie)触(Chu)压(Ya)成(Cheng)型(Xing)。(?)能(Neng)与(Yu)各(Ge)种(Zhong)固(Gu)化(Hua)剂(Ji)配(Pei)合(He)制(Zhi)造(Zao)无(Wu)溶(Rong)剂(Ji)、(?)高(Gao)固(Gu)体(Ti)、(?)粉(Fen)末(Mo)涂(Tu)料(Liao)及(Ji)水(Shui)性(Xing)涂(Tu)料(Liao)等(Deng)环(Huan)保(Bao)型(Xing)涂(Tu)料(Liao)。(?)
(5)优(You)良(Liang)的(De)电(Dian)绝(Jue)缘(Yuan)性(Xing)：(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)是(Shi)热(Re)固(Gu)性(Xing)树(Shu)脂(Zhi)中(Zhong)介(Jie)电(Dian)性(Xing)能(Neng)最(Zui)好(Hao)的(De)品(Pin)种(Zhong)之(Zhi)一(Yi)。(?)
(6)稳(Wen)定(Ding)性(Xing)好(Hao),抗(Kang)化(Hua)学(Xue)药(Yao)品(Pin)性(Xing)优(You)良(Liang)：(?)不(Bu)含(Han)碱(Jian)、(?)盐(Yan)等(Deng)杂(Za)质(Zhi)的(De)环(Huan)氧(Yang)树(Shu)脂(Zhi)不(Bu)易(Yi)变(Bian)质(Zhi)。(?)只(Zhi)要(Yao)贮(Zhu)存(Cun)得(De)当(Dang)(密(Mi)封(Feng)、(?)不(Bu)受(Shou)潮(Chao)、(?)不(Bu)遇(Yu)高(Gao)温(Wen)),其(Qi)贮(Zhu)存(Cun)期(Qi)为(Wei)1年(Nian)。(?)超(Chao)期(Qi)后(Hou)若(Ruo)检(Jian)验(Yan)合(He)格(Ge)仍(Reng)可(Ke)使(Shi)用(Yong)。(?)环(Huan)氧(Yang)固(Gu)化(Hua)物(Wu)具(Ju)有(You)优(You)良(Liang)的(De)化(Hua)学(Xue)稳(Wen)定(Ding)性(Xing)。(?)其(Qi)耐(Nai)碱(Jian)、(?)酸(Suan)、(?)盐(Yan)等(Deng)多(Duo)种(Zhong)介(Jie)质(Zhi)腐(Fu)蚀(Shi)的(De)性(Xing)能(Neng)优(You)于(Yu)不(Bu)饱(Bao)和(He)聚(Ju)酯(Zhi)树(Shu)脂(Zhi)、(?)酚(Fen)醛(Quan)树(Shu)脂(Zhi)等(Deng)热(Re)固(Gu)性(Xing)树(Shu)脂(Zhi)。(?)因(Yin)此(Ci)环(Huan)氧(Yang)树(Shu)脂(Zhi)大(Da)量(Liang)用(Yong)作(Zuo)防(Fang)腐(Fu)蚀(Shi)底(Di)漆(Qi),又(You)因(Yin)环(Huan)氧(Yang)树(Shu)脂(Zhi)固(Gu)化(Hua)物(Wu)呈(Cheng)三(San)维(Wei)网(Wang)状(Zhuang)结(Jie)构(Gou),又(You)能(Neng)耐(Nai)油(You)类(Lei)等(Deng)的(De)浸(Jin)渍(Zi),大(Da)量(Liang)应(Ying)用(Yong)于(Yu)油(You)槽(Cao)、(?)油(You)轮(Lun)、(?)飞(Fei)机(Ji)的(De)整(Zheng)体(Ti)油(You)箱(Xiang)内(Nei)壁(Bi)衬(Chen)里(Li)等(Deng)。(?)
(7)耐(Nai)热(Re)性(Xing)好(Hao)：(?)环(Huan)氧(Yang)固(Gu)化(Hua)物(Wu)的(De)耐(Nai)热(Re)性(Xing)一(Yi)般(Ban)为(Wei)80~100℃(?)。(?)环(Huan)氧(Yang)树(Shu)脂(Zhi)的(De)耐(Nai)热(Re)品(Pin)种(Zhong)可(Ke)达(Da)200℃(?)或(Huo)更(Geng)高(Gao)。(?)
三(San)、(?)聚(Ju)氨(An)酯(Zhi)特(Te)性(Xing):涂(Tu)层(Ceng)柔(Rou)软(Ruan)并(Bing)有(You)弹(Dan)性(Xing);涂(Tu)层(Ceng)强(Qiang)度(Du)好(Hao),可(Ke)用(Yong)于(Yu)很(Hen)薄(Bao)的(De)涂(Tu)层(Ceng);涂(Tu)层(Ceng)多(Duo)孔(Kong),具(Ju)有(You)透(Tou)湿(Shi)和(He)通(Tong)气(Qi)性(Xing)能(Neng);耐(Nai)磨(Mo),耐(Nai)湿(Shi),耐(Nai)干(Gan)洗(Xi)。(?)
