????????????????????

???????????????,???????????????????????????????,????????????????

??,????????,???????????????,????????????????????????,??????????????????????,??????????????????PVC????????,?????????,???????????,???????,???????????????,?????????????????????????????,?????????????????????

???????????,?????????????????(?????)???????,??????????????,

??????????,??????????????,??????,??????????????????????????????????,???????,????????,??????????,??????????????,?????????????????,??????????????????????????????????

??,????????????????????,????,????????????,???????????,?????????,??????????

1. ?????????

????,???????,???????????????:??—??—???—????—??????

1.1??

??????????????????????????,???????????????????????????,????????,??????????,??????,????????????????

1.2??

????????,??????????,??????????,????????????????????????????????????,?????????????,???????????????????????????????????

1.3???

??????????????????????,??????????,???????????,??????????????????????????,????????????????,?????????????????????????????????

???????????,????????????,???????,????????????????,?????????????,?????????????????????????????????????????????????????????????????—??????????????,????????????????(???????????????)??????????????????????

1.4 ????

1.4.1 ?????

???????,???????????????????????????????????????????????????????????????????????????(??????????????);????????????????????????????????????

??????????,?????????,?????,??????,????,??????,?????;????????,?????????????,????,?????,???????,?????

??,?????????????????????????????????????????????,???????????,????,?????????,??????????,????????????????,????????

1.4.2?????

??????,???????????????????????????????,???????????????????,??????????????????????????

??,??????????????????????????????????????????????????????,???????????,???????????????????????:(1)??pH???????????????,pH????????????;(2)?????35?40???,???????????;(3)??????,????????????;(4)????????,?????????????????

1.5 ?????

????????????????????,??????????????,????????????????????????????????,???????

????????????????,????????????????????

2. ????

??????????(???1.6?1.8mm)???:300%?,32?,0.3% BaymolA ,20???

??:150%?,32?,2.0%

 TaniganPAK-N,1.0%?????,30??,0.8%????,30??,pH5.0?5.2?

?????:100%?,35?,3%ReluganRE,30??,3%RetinganR5,20??,X%???,30??,100%?,60?,5??,1.0%??,30???

??:200%?,50?,10???

??:100%?,50?,3%?????,5%?????,45??,1.0%??,30??,pH4.0±?

??:200%?,45?,10???

????:200%?,45?,0.5%RetinganR4B-N,30??,0.5%??, 30??, 1.5%Baygenalpigments,30??,1.0%??,30???

??:200%?,25?,10???

??????

? ?

?????????????????????,????????,????????????????????????????????????,?????????????,??????????????????????????????,??????????,??????????????