EPDM姗¤啝鎺ラ牠鍙互鑰愬灏慞H鍊硷紵
瑾埌鑰愰吀鍫�
姗¤啝鎺ラ牠锛屽ぇ瀹堕兘鐭ラ亾锛屼絾鏄竴瑾埌閫欏�婸H鍊煎拰EPDM姗¤啝鎺ラ牠鐨勯棞(gu膩n)绯�锛屽緢澶氫汉灏变笉澶槑鐧戒簡锛屼笅闈㈢偤鎮ㄤ粙绱逛竴涓嬭�愰吀鍫挎鑶犳帴闋噰鐢‥PDM姗¤啝鐢熺敘(ch菐n)鍚庡彲浠ョ敤鍦≒H鍊煎澶х殑绠￠亾涓��
EPDM姗¤啝鐨凱H鍊奸仼鐢ㄨ寖鍦嶏細2~12
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EPDM鐨勫垎瀛愰噺鍒嗗竷鍙互閫氶亷鍑濊啝婊查�忚壊璀滄硶浣跨敤浜屾隘鑻綔鐐烘憾鍔戝湪楂樻韩涓�(150鈩�)娓噺鑰屽緱銆傚垎瀛愰噺鍒嗗竷閫氬父琚ū鐐烘槸閲嶉噺骞冲潎鍒嗗瓙閲忚垏鏁�(sh霉)閲忓钩鍧囧垎瀛愰噺鐨勬瘮渚�銆傛牴鎿�(j霉)鏅�氬拰楂樺害鏀寲鐨勭祼(ji茅)妲�(g貌u)锛岄�欏�嬪�煎湪2鍒�5涔嬮枔璁婂寲銆傜敱浜庢湁鍒嗛嵉锛屽惈鏈塂CPD鐨勪笁鍏冧箼涓欐鑶犳洿瀵殑鍒嗗瓙閲忓垎甯�銆�
浜�銆丳H鍊硷細
pH鍊兼槸姘存憾娑叉渶閲嶈鐨勭悊鍖栧弮鏁�(sh霉)涔嬩竴銆傚嚒娑夊強姘存憾娑茬殑鑷劧鐝�(xi脿n)璞�?锛涚槣W(xu茅)璁婂寲浠ュ強鐢熺敘(ch菐n)閬庣▼閮借垏pH鍊兼湁闂�(gu膩n)锛屽洜姝�锛屽湪宸ユキ(y猫)銆佽静(n贸ng)妤�(y猫)銆侀啱(y墨)瀛�(xu茅)銆佺挵(hu谩n)淇濆拰绉戠爺闋�(l菒ng)鍩熼兘闇�瑕佹脯閲弍H鍊�銆�
姘寸殑pH鍊兼槸琛ㄧず姘翠腑姘洟瀛愭椿搴︾殑璨�(f霉)灏嶆暩(sh霉)鍊�锛岃〃绀虹偤锛歱H=-lg[H?]
pH鍊兼湁鏅備篃绋辨矮闆㈠瓙鎸囨暩(sh霉)锛岀敱浜庢矮闆㈠瓙婵冨害鐨勬暩(sh霉)鍊煎線寰�寰堝皬锛屽湪鎳�(y墨ng)鐢ㄤ笂寰堜笉鏂逛究锛屾墍浠ュ氨鐢╬H鍊奸�欎竴姒傚康渚嗕綔鐐烘按婧舵恫閰告��銆佸牽鎬х殑鍒ゆ柗鎸囨(bi膩o)銆傝�屼笖锛屾矮闆㈠瓙娲诲害鐨勮矤(f霉)灏嶆暩(sh霉)鍊艰兘澶犺〃绀哄嚭閰告��銆佸牽鎬х殑璁婂寲骞呭害鐨勬暩(sh霉)閲忕殑澶у皬锛岄�欐ǎ鎳�(y墨ng)鐢ㄨ捣渚嗗氨鍗佸垎鏂逛究锛屽苟鐢辨寰楀埌(鍦�25鈩冧笅)锛氫腑鎬ф按婧舵恫锛宲H=7
pH鍊�,浜︾ū姘洟瀛愭績搴︽寚鏁�(sh霉),鏄憾娑蹭腑姘洟瀛愭椿搴︾殑涓�绋(bi膩o)搴�,涔熷氨鏄�氬父鎰忕京涓婃憾娑查吀鍫跨▼搴︾殑琛￠噺妯�(bi膩o)婧�(zh菙n)銆傞�氬父鎯呮硜涓�,pH鍊兼槸涓�鍊嬩粙浜�0鍜�14涔嬮枔鐨勬暩(sh霉),鐣�(d膩ng)pH<7鐨勬檪鍊�,婧舵恫鍛堥吀鎬�,鐣�(d膩ng)pH>7鐨勬檪鍊�,婧舵恫鍛堝牽鎬�,鐣�(d膩ng)pH=7鐨勬檪鍊�,婧舵恫涓��銆�
涓�銆佹鑶犳帴闋細
姗¤啝鎺ラ牠鐢�(ch菐n)鍝佷粙绱圭殑鐢变締锛氫笂娴锋窞姹熼泦鍦�(tu谩n)寰炰竴闁嬪鎶婄編鍦嬬殑鍠悆姗¤啝鎺ラ牠鎶�琛�(sh霉)寮曢��(j矛n)鍒板湅鍏�(n猫i)锛屾槸鍦嬪収(n猫i)楂樺搧璩�(zh矛)姗¤啝鎺ラ牠鍝佺墝锛岀偤浜嗘豢瓒崇敘(ch菐n)鍝佸湪鍦嬪収(n猫i)甯傚牬鐨勯渶姹傦紝涓婃捣娣炴睙闆嗗湗(tu谩n)涓嶆柗鐨勬敼閫�(j矛n)鐢�(ch菐n)鍝�锛岃畵寰炵編鍦嬪紩閫�(j矛n)鍥炰締鐨勭敘(ch菐n)鍝佽兘澶犳洿瀵︾敤锛屼笂娴锋窞姹熼泦鍦�(tu谩n)鐨勬妧琛�(sh霉)浜哄摗涓嶆柗鐨勬敼閫�(j矛n)锛岀稉(j墨ng)閬庣劇鏁�(sh霉)娆＄殑鏀归��(j矛n)锛屾妸姗¤啝鎺ラ牠鐢�(ch菐n)鍝佸仛鍒拌唱(zh矛)淇�5骞�銆�
鍟忥細EPDM姗¤啝鎺ラ牠鏈�澶у彲浠ョ敤鍦≒H鍊煎灏戠殑閰稿牽绠￠亾涓�?
绛旓細PH鍊奸仼鐢ㄨ寖鍦嶏細2~12
瑾槑锛氶�欏�嬫(bi膩o)婧�(zh菙n)鏄笂娴锋窞姹熼泦鍦�(tu谩n)鐢熺敘(ch菐n)鐨凟PDM姗¤啝鎺ラ牠璩�(zh矛)閲忔(bi膩o)婧�(zh菙n)锛屽叾浠栧粻瀹剁敘(ch菐n)鍝佷笉鐭ラ亾濡備綍锛屽洜鐐轰笂娴锋窞姹熼泦鍦�(tu谩n)EPDM姗¤啝鎺ラ牠閲囩敤鐨勬槸鏃ユ湰涓変簳4045涓夊厓涔欎笝姗¤啝鐢熺敘(ch菐n)锛屽叾姗¤啝鍚噺閬�(d谩)鍒颁簡55%锛屽叾浠栨潗鏂欎篃鏄噰鐢ㄥ搧鐗屾潗鏂欑敓鐢�(ch菐n)锛屽児鏍煎拰璩�(zh矛)閲忕浉宸お澶�锛屽氨鏄儗鍚庣殑鏉愭枡鍜岃唱(zh矛)閲忕殑宸窛銆�
