nūhou

ʻO ka chlorinated polyvinyl chloride (CPVC) he mea polymer i loaʻa ma hope o ka chlorination hou o PVC.Hoʻololi nui ka waiwai kino a me ke kemika: me ka piʻi ʻana o ka chlorine content, piʻi ka irregularity o ke kaulahao molecular a emi iho ka crystallinity;piʻi ka polarity o ke kaulahao mole, piʻi ka ikaika intermolecular, piʻi nui ka mahana deformation thermal, a hoʻonui ʻia nā waiwai mechanical.

ʻOi aku ka maikaʻi o ka CPVC ma mua o PVC i ka pale ʻana i ke aniau, ke kūpaʻa ʻelemakule a me ka pale ahi.No ka laʻana, ma hope o ka chlorination, e piʻi ka palena o ka oxygen index o PVC mai 45 ~ 49 a i> 70 (loaʻa ka 67% CPVC chlorine), a e hoʻemi nui ʻia ka nui o ka uahi a me ke koena kalapona i ka lapalapa.Ua pili ka hana chlorination i nā waiwai o nā huahana.Hiki i ka chlorine content o PVC ke piʻi i ka 73% ma hope o ka chlorination.

ʻO ka maʻamau ma ke kaʻina hana hoʻokuʻu wai, ma hope o ka hui ʻana i ka resin PVC, e ka chlorination, filtration, holoi, CPVC hana ʻana o ka neutralization, hoʻopau ke kaʻina hoʻomaloʻo, ʻo ka maikaʻi o ke koho lāʻau pauka PVC he mea nui loa, ʻoi aku ka pili ʻana i ka paʻa ʻana o ka mīkini, thermal stability) , ke koho ana o ka PVC resin maka mea loose, ili e like me ka lahilahi hiki, ka hale o ka neat degere o ka maikai.ʻO ka maʻiʻo chlorine maʻamau he 63% ~ 67%.ʻOi aku ka maikaʻi o kona pale ʻana i ka wā, ke kūpaʻa corrosion, ke kū ʻana o ka wā kahiko a me ka hoʻopau ʻana i ka lapalapa ahi ma mua o ka resin PVC maʻamau.Hoʻonui ka chlorine content, no laila ua hoʻonui nui ʻia ka wela o ka vica softening point, 35 ℃ kiʻekiʻe ma mua o ka PVC resin, ka wela wela kiʻekiʻe loa a hiki i 130 ℃, kūpono no nā paipu pale wela a me nā mea pono a me nā papa (e like me nā paipu wai wela, nā hui, pale wela. nā lako kemika a me ka pahu mālama).

ʻO ka UPVC he PVC paʻakikī.Hoʻomākaukau ʻia kahi mea i hoʻololi ʻia ma ka hoʻohui ʻana i kahi nui o nā mea hoʻohui i hoʻololi ʻia ma ke kumu o ka pauka lāʻau PVC."U" Unplasticized (Unplasticized), no laila ʻo ka ʻokoʻa nui ma waena o UPVC a me PVC a me PVC palupalu ʻaʻole i hoʻohui ʻia ka plasticizer, ʻoi aku ka pauka calcium, ka ikaika mechanical kiʻekiʻe o ka mea, kūpono no ka hana ʻana i nā valves a me nā pipeline.

ʻO ka CPVC he polyvinyl chloride chlorinated.Ma muli o ka resin PVC, hoʻonui ka CPVC i ka ʻike o ka chlorine i loko o ka mea PVC e kekahi kaʻina hana, maʻamau mai 63 a 69%, i mea e hoʻomaikaʻi ai i ka pale wela, acid, alkali, paʻakai a me ka oxidant corrosion o ka mea, a hoʻomaikaʻi i ka wela. deformation wela a me ka mechanical waiwai o ka mea.

Hoʻonui ka CPVC i ka ʻike chlorine o ka resin PVC e nā ʻano kemika, no laila ke kiʻekiʻe ke kumu kūʻai o ka resin CPVC.I ka pae hope, pono e hoʻopili ʻia kekahi mau mea i hoʻololi ʻia i ka hoʻoheheʻe ʻana a i ʻole extrusion, e hopena i ke kumukūʻai kiʻekiʻe o nā mea hoʻololi CPVC.ʻO ke kumukūʻai kūʻai aku o nā ʻāpana CPVC i hoʻololi ʻia ma Kina ma mua o 20,000 / ton.

Ma muli o ke kumukūʻai kiʻekiʻe o CPVC, ʻaʻole hiki ke hoʻohana ʻia kēia mea e like me ka UPVC.I kēia manawa, hoʻohana nui ʻia ka CPVC i nā paipu pale ahi, nā paipu pale kino kino a me nā paipu wai wela kīwila.