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DSC测(Ce)定(Ding)氧(Yang)化(Hua)诱(You)导(Dao)时(Shi)间(Jian)(OIT)-聚(Ju)乙(Yi)烯(Xi)
DSC测(Ce)定(Ding)氧(Yang)化(Hua)诱(You)导(Dao)时(Shi)间(Jian)(OIT)-聚(Ju)乙(Yi)烯(Xi)
介(Jie)绍(Shao)氧(Yang)化(Hua)诱(You)导(Dao)时(Shi)间(Jian)(OIT)定(Ding)义(Yi)为(Wei)在(Zai)给(Gei)定(Ding)温(Wen)度(Du)下(Xia),(?)样(Yang)品(Pin)在(Zai)氧(Yang)气(Qi)作(Zuo)用(Yong)下(Xia)发(Fa)生(Sheng)氧(Yang)化(Hua)所(Suo)需(Xu)的(De)时(Shi)间(Jian)。(?)应(Ying)用(Yong)于(Yu)聚(Ju)合(He)物(Wu),(?)这(Zhe)种(Zhong)测(Ce)量(Liang)方(Fang)法(Fa)可(Ke)以(Yi)评(Ping)估(Gu)其(Qi)氧(Yang)化(Hua)稳(Wen)定(Ding)性(Xing)。(?)比(Bi)如(Ru),(?)可(Ke)以(Yi)利(Li)用(Yong)OIT分(Fen)析(Xi)可(Ke)以(Yi)预(Yu)测(Ce)输(Shu)水(Shui)管(Guan)道(Dao)的(De)老(Lao)化(Hua)过(Guo)程(Cheng)。(?)OIT测(Ce)量(Liang)细(Xi)节(Jie)在(Zai)标(Biao)准(Zhun)IS011357-6和(He)GB/T19466.6中(Zhong)定(Ding)义(Yi)。(?)聚(Ju)乙(Yi)烯(Xi)(polyethyl......
介(Jie)绍(Shao)氧(Yang)化(Hua)诱(You)导(Dao)时(Shi)间(Jian)((?)OIT)(?)被(Bei)定(Ding)义(Yi)为(Wei)在(Zai)给(Gei)定(Ding)温(Wen)度(Du)下(Xia)启(Qi)动(Dong)材(Cai)料(Liao)氧(Yang)化(Hua)的(De)时(Shi)间(Jian)间(Jian)隔(Ge)。(?)应(Ying)用(Yong)于(Yu)聚(Ju)合(He)物(Wu),(?)它(Ta)是(Shi)材(Cai)料(Liao)抵(Di)抗(Kang)氧(Yang)化(Hua)分(Fen)解(Jie)的(De)相(Xiang)对(Dui)度(Du)量(Liang)。(?)OIT测(Ce)量(Liang)通(Tong)常(Chang)通(Tong)过(Guo)DSC实(Shi)现(Xian)。(?)该(Gai)方(Fang)法(Fa)需(Xu)要(Yao)使(Shi)用(Yong)铝(Lu)制(Zhi)样(Yang)品(Pin)坩(Gan)埚(?)。(?)但(Dan)是(Shi)由(You)于(Yu)铜(Tong)可(Ke)以(Yi)对(Dui)氧(Yang)化(Hua)产(Chan)生(Sheng)催(Cui)化(Hua)作(Zuo)用(Yong),(?)因(Yin)此(Ci)建(Jian)议(Yi)在(Zai)电(Dian)线(Xian)和(He)电(Dian)缆(Lan)行(Xing)业(Ye)中(Zhong)使(Shi)用(Yong)铜(Tong)......
介(Jie)绍(Shao)NiTi材(Cai)料(Liao)在(Zai)相(Xiang)变(Bian)过(Guo)程(Cheng)中(Zhong)的(De)形(Xing)状(Zhuang)记(Ji)忆(Yi)特(Te)性(Xing)被(Bei)广(Guang)泛(Fan)应(Ying)用(Yong)于(Yu)各(Ge)种(Zhong)设(She)备(Bei)和(He)产(Chan)品(Pin)中(Zhong)。(?)例(Li)如(Ru),(?)NiTI合(He)金(Jin)可(Ke)以(Yi)制(Zhi)作(Zuo)成(Cheng)形(Xing)状(Zhuang)记(Ji)忆(Yi)合(He)金(Jin)弹(Dan)簧(Huang),(?)用(Yong)于(Yu)航(Hang)空(Kong)航(Hang)天(Tian)和(He)汽(Qi)车(Che)制(Zhi)造(Zao)等(Deng)领(Ling)域(Yu)。(?)此(Ci)外(Wai),(?)NiTI材(Cai)料(Liao)还(Huan)可(Ke)以(Yi)用(Yong)于(Yu)制(Zhi)作(Zuo)生(Sheng)物(Wu)医(Yi)疗(Liao)领(Ling)域(Yu)的(De)支(Zhi)架(Jia)和(He)植(Zhi)入(Ru)物(Wu),(?)利(Li)用(Yong)其(Qi)形(Xing)状(Zhuang)记(Ji)忆(Yi)特(Te)性(Xing)实(Shi)现(Xian)对(Dui)病(Bing)变(Bian)部(Bu)位(Wei)......
介(Jie)绍(Shao)相(Xiang)变(Bian)纤(Xian)维(Wei)是(Shi)利(Li)用(Yong)物(Wu)质(Zhi)相(Xiang)变(Bian)过(Guo)程(Cheng)中(Zhong)释(Shi)放(Fang)或(Huo)吸(Xi)收(Shou)潜(Qian)热(Re)、(?)温(Wen)度(Du)保(Bao)持(Chi)不(Bu)变(Bian)的(De)特(Te)性(Xing)开(Kai)发(Fa)出(Chu)来(Lai)的(De)一(Yi)种(Zhong)蓄(Xu)热(Re)调(Diao)温(Wen)功(Gong)能(Neng)纤(Xian)维(Wei)。(?)相(Xiang)变(Bian)纤(Xian)维(Wei)除(Chu)做(Zuo)太(Tai)空(Kong)服(Fu)外(Wai),(?)还(Huan)应(Ying)用(Yong)于(Yu)运(Yun)动(Dong)性(Xing)服(Fu)装(Zhuang)上(Shang),(?)制(Zhi)成(Cheng)滑(Hua)雪(Xue)服(Fu)、(?)滑(Hua)雪(Xue)靴(Xue)、(?)手(Shou)套(Tao)、(?)袜(Wa)类(Lei)。(?)相(Xiang)变(Bian)材(Cai)料(Liao)能(Neng)够(Gou)根(Gen)据(Ju)外(Wai)界(Jie)环(Huan)境(Jing)温(Wen)度(Du)的(De)变(Bian)化(Hua)而(?)发(Fa)生(Sheng)相(Xiang)变(Bian),(?)并(Bing)从(Cong)外(Wai)界(Jie)吸(Xi)收(Shou)或(Huo)释(Shi)放(Fang)热(Re)......
介(Jie)绍(Shao)聚(Ju)乳(Ru)酸(Suan)((?)PLA)(?)是(Shi)一(Yi)种(Zhong)生(Sheng)物(Wu)可(Ke)降(Jiang)解(Jie)材(Cai)料(Liao),(?)具(Ju)有(You)结(Jie)晶(Jing)性(Xing)能(Neng)差(Cha)、(?)脆(Cui)性(Xing)大(Da)、(?)抗(Kang)冲(Chong)击(Ji)性(Xing)和(He)耐(Nai)热(Re)性(Xing)差(Cha)、(?)易(Yi)水(Shui)解(Jie),(?)对(Dui)高(Gao)温(Wen)敏(Min)感(Gan)等(Deng)缺(Que)点(Dian)。(?)因(Yin)此(Ci),(?)在(Zai)实(Shi)际(Ji)生(Sheng)产(Chan)过(Guo)程(Cheng)中(Zhong)需(Xu)要(Yao)对(Dui)其(Qi)进(Jin)行(Xing)改(Gai)性(Xing)。(?)PBAT具(Ju)有(You)优(You)异(Yi)的(De)力(Li)学(Xue)性(Xing)能(Neng)与(Yu)加(Jia)工(Gong)性(Xing)能(Neng),(?)它(Ta)的(De)强(Qiang)度(Du)较(Jiao)低(Di)而(?)断(Duan)裂(Lie)伸(Shen)长(Chang)很(Hen)高(Gao),(?)是(Shi)柔(Rou)韧(Ren)性(Xing)好(Hao)的(De)弹(Dan)性(Xing)体(Ti)材(Cai)料(Liao)......
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