Ịchọ ahịa maka ebe mgbaze dị elu PP
Ọrụ ịgbaze agbaze nke polypropylene nwere njikọ chiri anya na ịdị arọ ya. Nkezi arọ molekụla nke resin polypropylene azụmahịa kwadebere site na sistemụ catalytic Ziegler Natta na-adịkarị n'etiti 3 × 105 na 7 × 105. The gbazee index nke ndị a otpolypropylene resinsna-adịkarị ala, nke na-egbochi oke ngwa ha.
Site na mmepe ngwa ngwa nke ụlọ ọrụ fiber kemịkalụ na ụlọ ọrụ akwa akwa, ụlọ ọrụ akwa na-abụghị akwa ebiliwo ngwa ngwa. Usoro nke uru nke polypropylene na-eme ka ọ bụrụ ihe kachasị mma maka akwa akwa na-abụghị nke a kpara akpa. Site na mmepe nke ọha mmadụ, mpaghara ngwa ngwa nke ákwà ndị na-abụghị ndị a kpara akpa na-aghọwanye ndị sara mbara. N'ihe gbasara ahụike na ahụike, enwere ike iji akwa na-abụghị nke a kpara akpa wee rụpụta suut iche, ihe mkpuchi, uwe ịwa ahụ, akwa akwa nhicha nke ụmụ nwanyị, akwa akwa nwa, na ihe ndị ọzọ; Dị ka ihe ụlọ na ihe geotechnical, enwere ike iji akwa na-abụghị nke kpara akpa mkpuchi mkpuchi ụlọ, iwu okporo ụzọ, injinia nchekwa mmiri, ma ọ bụ ihe mkpuchi elu ụlọ nwere ike ịmepụta site na iji spunbond na agịga atụgidere teknụzụ mejupụtara. Ndụ ọrụ ya bụ 5-10 ugboro ogologo karịa asphalt omenala; Ihe nzacha bụkwa otu n'ime ngwa ngwa na-emepe emepe maka akwa na-adịghị kpara akpa, nke a pụrụ iji mee ihe maka gas na mmiri mmiri nzacha na ụlọ ọrụ dị ka akọrọ chemical, pharmaceutical, na nri, ma nwee nnukwu ahịa ahịa; Tụkwasị na nke ahụ, a pụrụ iji akwa na-abụghị nke a kpara akpa mee ihe n'ịkpụpụta akpụkpọ anụ sịntetik, akpa, akwa akwa, akwa akwa, na akwa nhicha maka iji ụlọ mee ihe.
Ọ bụ kpọmkwem n'ihi na nke na-aga n'ihu mmepe nkeakwa na-abụghị akwana ihe ndị a chọrọ maka mmepụta ha na ngwa na-abawanye ụba mgbe niile, dị ka agbaze agbaze, mmepụta ngwa ngwa, ngwaahịa ndị dị mkpa, wdg. Ya mere, ihe ndị a chọrọ maka ịrụ ọrụ nhazi nke resin polypropylene, bụ isi akụrụngwa nke ákwà ndị na-adịghị kpara akpa, enwewokwa ụbara nke ọma; Ke adianade do, mmepụta nke elu-ọsọ spinning ma ọ bụ ezi denier polypropylene emep uta eri na-achọkwa polypropylene resin na-enwe ezi agbaze eruba arụmọrụ; Ụfọdụ pigmenti na-enweghị ike iguzogide okpomọkụ dị elu chọrọ polypropylene dị ka onye na-ebu nwere okpomọkụ nhazi dị ntakịrị. Ihe ndị a niile chọrọ iji resin polypropylene index ultra-high melt index dị ka akụrụngwa nke enwere ike ịhazi ya na obere okpomọkụ.
Ihe pụrụ iche maka agbaze agbaze agbaze akwa bụ polypropylene na elu gbazee index. Ndekọ agbaze na-ezo aka n'ọtụtụ ihe a wụrụ awụ na-agafe na tube capillary ọkọlọtọ kwa nkeji iri ọ bụla. Ọnụ ahịa dị elu, nke ka mma nhazi nhazi nke ihe onwunwe. Ka ọnụ ọgụgụ gbazee nke polypropylene dị elu, ka a na-awụsa eriri ndị dị mma karị, na-akawanye mma ịrụ ọrụ nzacha nke akwa agbaze agbaze agbaze.
Usoro maka ịkwadebe elu gbazee index polypropylene resin
Otu bụ ịchịkwa molekụla ịdị arọ na nkesa ịdị arọ nke polypropylene site n'ịchịkwa usoro mmeghachi omume polymerization, dị ka ibelata ịdị arọ molekụla nke polymer site n'ịba ụba nke ndị ọrụ cationic dị ka hydrogen gas, si otú ahụ na-emeziwanye index gbazee. Usoro a na-ejedebe site na ihe ndị dị ka usoro catalytic na ọnọdụ mmeghachi omume, na-eme ka o sie ike ịchịkwa nkwụsi ike nke nkwụsi ike nke agbaze ma mejuputa ya.
Yanshan Petrochemical anọwo na-eme ka ihe ndị gbazere agbaze na-emepụta ihe na-agbaze ihe karịrị 1000 site na iji metallocene catalysts n'ime afọ ole na ole gara aga. N'ihi ihe isi ike dị n'ịchịkwa nkwụsi ike, e mebeghị polymerization buru ibu. Ebe ọ bụ na ntiwapụ nke ọrịa na-efe efe nke afọ a, Yanshan Petrochemical nakweere ndị na-achịkwa mmebi nke polypropylene gbazee agbaze ihe mmepụta teknụzụ mepụtara na 2010 iji mepụta polypropylene agbaze agbaze na-abụghị kpara ákwà pụrụ iche ihe na February 12. N'otu oge ahụ, a na-eduzi ule ụlọ ọrụ na ngwaọrụ site na iji metallocene catalysts. Emepụtara ngwaahịa a ma na-ezigara ndị ọrụ mgbada maka nnwale.
Ụzọ ọzọ bụ iji chịkwaa mmebi nke polypropylene nke a na-enweta site na polymerization nke a na-emekarị, belata ịdị arọ nke molecular ya, ma na-amụba index ya gbazee.
N'oge gara aga, a na-ejikarị ụzọ mmebi okpomọkụ dị elu iji belata ịdị arọ nke polypropylene dị arọ, ma usoro a na-eme ka okpomọkụ dị elu nwere ọtụtụ ihe ndọghachi azụ, dị ka nkwụsị mgbakwunye na nkwụsị ọkụ, na usoro na-ejighị n'aka. Tụkwasị na nke ahụ, e nwere ụzọ ndị dị ka mmebi ultrasonic, ma ụzọ ndị a na-achọkarị ọnụnọ nke ihe mgbaze, nke na-eme ka ihe isi ike na ọnụ ahịa nke usoro ahụ dịkwuo elu. N'ime afọ ndị na-adịbeghị anya, a na-eji nwayọọ nwayọọ na-etinye usoro nke mmebi nke polypropylene kemịkalụ.
Mmepụta mkpịsị aka mgbaze dị elu site na usoro mbibi kemịkalụ
Usoro nbibi kemịkalụ gụnyere imeghachi polypropylene nwere ihe na-emebi kemịkalụ dị ka organic peroxides n'ime screw extruder, na-eme ka agbụ molekụla nke polypropylene gbajie ma belata ibu molekụla ya. E jiri ya tụnyere ụzọ ndị ọzọ na-emebi emebi, ọ nwere uru nke mmebi zuru oke, mmiri na-agbaze nke ọma, usoro nkwadebe dị mfe na nke nwere ike ime, ma dị mfe ịmepụta nnukwu mmepụta mmepụta ihe. Nke a bụkwa usoro a na-ejikarị eme ihe site n'aka ndị nrụpụta rọba gbanwere.
Ngwa chọrọ
Ebe mgbaze dị elu dị nnọọ iche na ngwa mgbanwe PP nkịtị. Ngwa maka ịgbasa ihe mgbaze na-achọ akụkụ dị ogologo, na isi igwe kwesịrị ịdị na-eguzobe ma ọ bụ jiri granulation n'okpuru mmiri (Wuxi Huachen nwere ụdị ịkpụ mmiri n'okpuru mmiri); Ihe dị oke mkpa ma dị mkpa ịbanye na mmiri ozugbo ka esi na isi igwe pụta maka ịdị jụụ;
Maka mmepụta nke polypropylene a na-emekarị, nkwụsị ọsọ nke extruder bụ 70 mita kwa nkeji, ebe maka nnukwu agbaze polypropylene, a na-achọ ka ịcha ọsọ dị elu karịa 120 mita kwa nkeji. Na mgbakwunye, n'ihi ọsọ ọsọ ọsọ nke nnukwu agbaze polypropylene, ịdị jụụ ya kwesịrị ịbawanye site na mita 4 ruo mita 12.
Igwe eji eme ihe gbazere agbaze na-achọ mgbanwe ntupu na-aga n'ihu, na-ejikarị igwe na-agbanwe ntupu ọdụ ụgbọ abụọ. Ihe ndị chọrọ ike moto dị elu karịa, a ga-ejikwa ihe mgbochi ndị ọzọ na-eme ihe n'ime ihe nkedo; Dị ka Koyapan si kwuo, eriri ejima ejiri ihe pụrụ iche gbazere agbaze nwere nnukwu ihe pụrụ iche.
1. Gbaa mbọ hụ na nri kwụsiri ike (PP, DCP, wdg);
2. Kpebie akụkụ kwesịrị ekwesị na ọnọdụ axial nke oghere na-adabere na ọkara ndụ nke usoro ihe mejupụtara (mepụtara na ọgbọ nke atọ iji hụ na extrusion dị mma nke mmeghachi omume CR-PP);
3. Iji jide n'aka na mkpịsị aka gbazee nwere nnukwu mkpụrụ n'ime oke nnabata (ihe karịrị 30 mpempe akwụkwọ agwụla nwere ọnụ ahịa dị elu na ntinye ngwakọta ma e jiri ya tụnyere naanị iri na abuo);
4. A ghaghị ịkwado ndị isi mmiri mmiri pụrụ iche. Agbaze na kpo oku kwesịrị ịbụ otu, na ọnụ ọgụgụ mkpofu kwesịrị ịdị ntakịrị;
5. Ọ ka mma ịkwado granulator oyi tozuru okè maka ihe na-agbaze agbaze (nke nwere aha ọma na ụlọ ọrụ ahụ) iji hụ na ịdị mma nke ihe ndị a rụchara na ọkwa ọkwa dị elu;
6. Ọ ga-aka mma ma ọ bụrụ na enwere nzaghachi ule ntanetị. Tụkwasị na nke ahụ, mgbakwunye nke ndị na-amalite imebi mmiri mmiri na nri n'akụkụ chọrọ nzizi dị elu n'ihi ntakịrị ihe mgbakwunye. Maka akụrụngwa nri akụkụ, dị ka Brabenda, Kubota, Matsunai emepụtara n'ụlọ, wdg.
Ihe na-akpata mbibi a na-eji ugbu a
1: Dit-butyl peroxide, makwaara dị ka di-tert-butyl peroxide, initiator a, vulcanizing agent dTBP, bụ mmiri na-enweghị agba na-acha odo odo nke na-adịghị ahụkebe n'ime mmiri ma na-ejikọta ya na ihe mgbaze organic dị ka benzene, toluene, na acetone. Ọksidizing siri ike, ọkụ na-ere ọkụ, kwụsiri ike na ụlọ okpomọkụ, enweghị mmetụta na mmetụta.
2: Ugboro abụọ sulfurizer ise, nke akpọrọ DBPH, aha kemikal 2,5-dimethyl-2,5-bis (tert butylperoxy) hexane, arọ molecular 290.44. Mmiri mmiri na-acha odo odo nwere njupụta nke 0.8650 n'ụdị ụda na ntụ ntụ mmiri ara ehi. Ebe oyi na-atụ bụ 8 ℃. Ebe esi esi 50 ~ 52 ℃ (13Pa). Ndekọ ntughari sitere na 1.418 ruo 1.419. Viscosity nke mmiri mmiri bụ 6.5mPa. s. Ebe ọkụ ọkụ (iko mepere emepe) 58 ℃. Soluble n'ọtụtụ ihe mgbaze organic dị ka alcohols, ethers, ketones, esters, hydrocarbons aromatic, wdg, enweghị ike ime na mmiri.
3: Nnwale mkpịsị aka jikọtara ọnụ
Ekwesịrị ịme ule mkpịsị aka mgbaze dịka GBIT 30923-2014 Polypropylene Melt Spray Pụrụ Iche Ihe; Enweghị ike ịnwale ngwa mkpịsị aka mgbaze nkịtị. Mgbaze dị elu na-ezo aka iji usoro volumetric kama usoro uka maka ule.
Ngwa ụlọ gụnyere Chengde Youte, Guangxin Electronic Technology, Hangzhou Jinmai, Jilin Science and Education Instrument Factory, na akụrụngwa mbubata gụnyere Zwick; Chengde Jinjian Testing Instrument Co., Ltd. na-emepụta MFL-2322H gbazee ọnụego mita nke emebere maka nha NVR nke nnukwu eruba nke ụlọ ọrụ mmepụta ihe nke GBpropylene, nke na-enyocha ihe polypropylene. 309232014 Polypropylene Melt Spray Ihe Pụrụ Iche. Oke nnwale bụ (500-2500) cm/10min.
Ugbu a, e nwere:
1. Shandong Daoen Polymer Materials Co., Ltd
2. Hunan Shengjin New Materials Co., Ltd
3. Jinfa Technology Co., Ltd
4. Beijing Yishitong New Materials Development Co., Ltd
5. Shanghai Huahe Composite Materials Co., Ltd
6. Hangzhou Chenda New Materials Co., Ltd
7. Basel, Dalin, South Korea
Oge nzipu: Eprel-01-2024