Zida za zipizi zimaphatikizapo polyurethane, eps, ziweto zopukutira, zopangidwa ndi mphamvu, zopangidwa ndi madzi, zopangidwa ndi madzi, mayendedwe, makonda ankhondo. Chifukwa chogwiritsa ntchito mitundu yambiri, kukula kwa msika wazomwe zili pachaka zokulitsa 20%, ndikugwiritsa ntchito zinthu zatsopano pagawo lanu m'munda wa kukula msanga, komanso kumayambitsa nkhawa yayikulu. Polyirethane (pu) chithovu ndi gawo lalikulu kwambiri la zinthu zowondadwa ku China.

Malinga ndi ziwerengero, kukula kwa msika wapadziko lonse kwa zida zowombera kuli pafupifupi $ 93.9 biliyoni, kumawerengeredwa pafupifupi 4%, ndipo pompopomphukira kwa zaka 118.9 biliyoni.

Ndi kusintha kwa chuma padziko lonse lapansi, kusinthasintha mwachangu mu sayansi ndi ukadaulo, komanso chitukuko chambiri cha gawo la mafakitale a mafakitale padziko lonse lapansi. 2020 Zopanga zapulasitiki za ku China zomwe zidafika m'matumbo a 76.032, pachaka kuchokera kwa chaka cha 81.842 miliyoni mu 2019. 2020

Pakati pawo, chipembedzo cha Guangdong chimayamba mu chinyama chojambulidwa mdzikolo, ndikutulutsa matani 643,000 mu 2020; kutsatiridwa ndi chigawo cha Zhejiang, ndi chotulutsa cha matani 326,000; Chigawo cha Jiangsu chachitatu, chopangidwa ndi matani 205,000; Sichuan ndi Sanong anali wachinayi ndi wachisanu, wokhala ndi matani 168,000 ndi matani 140,000 motsatana. Kuyambira gawo la zojambula za chiwombankhanga zadzikoli mu 2020, maakaunti a Guangdong a 25.1%, Zhejiang maakaunti a 12.7%, maakaunti a jiangsu a 8.6% ndi shandong.

Pakadali pano, Shenzhen, monga pakati pa gulu la Guangdong-Hong-baoo Bay Lower City ndi mizinda yomwe yatukuka kwambiri ku China molingana ndi nyonga zomera, ndipo misika yosiyanasiyana yothera. M'malingaliro a kufalikira padziko lonse lapansi komanso njira yokhazikika komanso "kaboni" wa China " Msonkhano wa Shenzhen mayiko ndi malo owonetsera (Baoan New Hall). Expo China ", kulumikiza kuchokera ku polyme thovu la opanga, chithovu chambiri ndi opanga materiji, kugwiritsa ntchito mafilimu opindika!

Polyirethane mu gawo lalikulu kwambiri la zinthu zowombera

Polyirethane (PU) Chithovu ndichinthu chomwe chimayambitsa chiwerengero chachikulu kwambiri cha zinthu zomenyera ku China.

Gawo lalikulu la chithotho cha Polyrethane ndi polyirethane, ndipo zopangira zimakonda makamaka isocyunanate ndi polyyal. Powonjezera zowonjezera zoyenera, zimapangitsa kuti chiuno cha chiuno chatulutsidwe, kuti athe kupeza zinthu zofunda za polyurethere. Kudzera mu Polymer Polyal ndi Isoctaneate kuphatikiza zowonjezera zosiyanasiyana kuti asinthe kamtunda, kusokonezeka kwathunthu, kuphatikizika kwathunthu kwamphamvu kuti achuluke ndi pulasitiki.

Ma thonje a polyeline amagawidwa m'makomo osinthika, thovu lokhazikika ndi utsi thoble. Zida zamsuzi zosinthika zimagwiritsidwa ntchito m'njira zosiyanasiyana monga kupsinjika, kudula kwa chovalacho komanso kusefa, pomwe chinsalu chokhwima chimagwiritsidwa ntchito pomanga nyumba zamagetsi komanso (kutsitsa nyumba ndi (kutsitsa) zokutira.

Rigid polurethane chithovu chimakhala chotseka-cell ndipo ali ndi katundu wabwino kwambiri monga kutentha kwamitundu yabwino, kulemera komanso kumanga kosavuta.

Ilinso ndi machitidwe a chisumbu chomveka, kugwedezeka, kusokonezeka kwamagetsi, kukana kwa madzi ozizira, ndi tanki yofiyira, ndi zida zowonjezera, etc.

Rigid poureurethane chithovu chimatha kugwiritsidwa ntchito padenga ndi khoma la khoma, chitseko ndi zikopa zotchinga. Komabe, poureurethane thovu kupitilizabe kumenya nkhondo kuchokera ku fiberglass ndi chithovu cha PS.

Wosinthika polUrethane thovu

Kufunika kwa thovu losinthika pang'onopang'ono laposachedwa la chiwongola dzanja cha polurethare mu zaka zaposachedwa. Matambo osinthika poldurethane ndi mtundu wa chithovu chosinthika polyurethari ndi kuchuluka kwapa, ndipo ndi ntchito yogwiritsidwa ntchito kwambiri poureurethane.

Zogulitsazi zimaphatikizapo chithovu chokhazikika (hrf)

Kapangidwe kakakulu kwa thonje kosinthika ndikotseguka kwambiri. Nthawi zambiri, imakhala ndi kachulukidwe kochepa, kuyamwa kwabwino, kusupa kwa kutentha ndi zina, makamaka zomwe zimagwiritsidwa ntchito ngati zinthu zina zokutira, zoyendera zofewa zofewa zomwe zidali bwino zida. Kugwiritsa ntchito bwino chithovu chofewa ngati zida zofatsa monga zida zofananira, zida zopindika zomveka, zida zopindika zowoneka bwino, zida zokongoletsera, zida zokongoletsera, zida zokongoletsera, zida zopindika.

Polyurethane pansi pamphuno

Makampani ogulitsa a ku China a Polyirethane akukula mwachangu kwambiri, makamaka pakukula kwa msika.

Matalala a polyurethane amatha kugwiritsidwa ntchito ngati phukusi la buffer kapena podding Buffer ya zida zapamwamba kwambiri, zida zamtengo wapatali, zojambula zapamwamba kwambiri, etc. Zimathanso kukhala zonyamula katundu; Itha kugwiritsidwanso ntchito paketi yazinthu zokhala ndi masamba owombera.

Madalawa a polyurethane amagwiritsidwa ntchito makamaka pakutchinga kwamphamvu, firiji ndi kuzizira kozizira, khoma losungika, zotupa zosakhalitsa zida zogulira, etc.; Chitsamba chofewa chimagwiritsidwa ntchito makamaka m'mipando, zofunda ndi zogulitsa zina zapakhomo, monga sofa ndi mipando, mapiritsi, ma matiki.

A Makampani mu: (1) Revierrateors, zotengera, mafayilo a Puard (3) .

Pakatikati pa chitukuko cha chitukuko cha polyeline padziko lonse lapansi chasunthidwa ku China, ndipo chithovu cha polyurethane chakhala chimodzi mwa mafakitale omera kwambiri ku malonda a China.

M'zaka zaposachedwa, kukula kwamphamvu kwa kukhazikika kwa nyumba, kumalimbitsa mphamvu kupulumutsa, ma solar mphamvu zamagetsi, magalimoto, mipando ina ndi mafakitale ena asintha kwambiri chithovu cha polyureurethean.

Pa nthawi ya "zaka 13, zaka zisanu, zaka pafupifupi 20 za chimbudzi, matekitala ndi kusintha kwaukadaulo wa MDurethene ndi njira zopangitsira zasayansi, ndipo zopangidwa ndi zinthu zokhala ndi zapamwamba zikupitilirabe. 2019 China kugwiritsidwa ntchito kwa zinthu za polUretharane kuli pafupifupi 11.5 miliyoni (kuphatikizapo masitima), kutumiza kwa zinthu zopangira kumawonjezeka chaka ndi chaka, ndipo msika ukukula, ndipo malonda ayambanso kulowa nthawi yayitali.

Malinga ndi kuchuluka kwa malonda, kukula kwa msika wa mtundu wa polyurethane kufotokozera za gawo lalikulu kwambiri, ndi kukula kwamisika pafupifupi 4.67 miliyoni, omwe amawerengera pafupifupi 56%. Ndi kukula kwa minda yamagetsi ndi yamagetsi ku China, makamaka kupitiriza kwa firiji ndi njira zomangira zomanga, msika wa ma poureurethane zida ma positi amapitilizabe kukula.

Pakadali pano, makampani opanga ma polyirethane adalowa gawo latsopano lokhala ndi zatsopano komanso chitukuko chobiriwira monga mutuwo. Pakadali pano, zotulutsa za poureurethane pansi zotsekemera monga zida zomangira, zopangira, zikopa zopangidwa ndi magalimoto ku China. Dzikoli likulimbikitsa mwamphamvu zokutira zamadzi, kukhazikitsa mfundo zatsopano pomanga mphamvu poteteza mphamvu ndikupanga magalimoto atsopano, omwe amabweretsa mipata yayikulu yamakampani a polyureurethane. Chigawo cha "chandamale cha Carbon" cha China chidzalimbikitsa kukula kwamphamvu popanga mphamvu zopulumutsa mphamvu ndi kuyeretsa kwatsopano kwa ma polyizeni

Msika wozizira wozizira umayendetsa chithovu cha polyurethane

Ofesi ya General Council idapereka "Countself Cower-of Public Heress Publics Publictary Courction Arteters azaka pafupifupi 2880, motsatana kwa zaka khumi ndi 2.4, matebulo ndi ma 2-1.

Muzinthu zambiri zokomera, poureurethane ili ndi luso labwino kwambiri kulibe, kugwiritsidwa ntchito kwambiri. Poyerekeza ndi zinthu zina, zida zotchinga za poureurethane zimasunga pafupifupi 20% ya ndalama zamagetsi zozizira kwambiri, ndipo kukula kwa msika kumakulitsa pang'onopang'ono. Nthawi ya "14th" ya 14, monga anthu okhala ku Urban ndi akumidzi akupitilizabe kukweza kapangidwe ka mankhwalawa, kuthekera kwa msika waukulu kumathandizira kumasulidwa kwa mitengo yozizira kuti apange malo otanulira. Dongosolo likulonjeza kuti pofika 2025, mapangidwe koyambirira kwa matcheni ozizira a litait, malo opangira dziko lonse lapansi ndi malo ogulitsira a Tratics Atatu, Kusindikiza Koyambira kwa Mier-Terts Misticts Pofika 2035, kumaliza kwathunthu kwa dongosolo lamakono lamakono. Izi zidzakuthandizaninso kufunikira kwa zinthu zozizira za polyurethane.

Zida za TPU chindapusa zimayamba kutchuka

TPU ndi opanga kutuluka kwa TPU mu makampani atsopano a polymer, mapulogalamu otsika akupitiliza kukulitsa, makampani okhazikika pantchito yowonjezera aukadaulo ndi ukadaulo wa ukadaulo wambiri angalimbikitsenso nyumba zapakhomo.

Monga TPU imakhala ndi mphamvu zapamwamba komanso zamagetsi, monga mphamvu zapamwamba, kuvuta kwambiri, kuthekera kwamphamvu, machubu ambiri, ndi zinthu zina zamagetsi, ndiye zinthu zina zokulirapo ku Polyirethane elastomers. Makampani ogulitsa nsapato akadali kugwiritsa ntchito kofunikira kwambiri kwa malonda a TPU ku China, koma gawo lafupika, kuphatikiza pafupifupi 30%, magawo a kanema TPU akuchulukirachulukira, gawo limodzi la 19% ndi 15% motsatana.

M'zaka zaposachedwa, TPU yatsopano ya China idamasulidwa, kuyamba koyamba-tpu mpaka kukulira kwa 2018 ndipo 2019 Makampani a TPU ku China chikupitilira kukula kwa zochitika za 2020 ku China kwa matani pafupifupi 601,000, kumawerengera gawo limodzi mwa magawo atatu a TPU yopanga TSPU yoposa.

Kupanga kwathunthu kwa TPU mu theka loyamba la 2021 ndi matani pafupifupi 300,000, kuwonjezeka kwa matani 40,000. Pakuthana ndi matani a China 2016-2020, ndi kuchuluka kwa pachaka kwa 11.6%. Kuchokera pakugwiritsa ntchito poona 2016-2020 ya China TPU Elastomer Kukula konse, kudyera kwa tpu mu 2020 kunaposa matani 500,000, kuchuluka kwa chaka cha 12.1%. Kugwiritsidwa ntchito kwake kumayembekezeredwa kufikira pafupifupi matani pafupifupi 900,000 pofika 2026, ndi kuchuluka kwa pachaka kwa zaka pafupifupi zisanu zotsatira.

Chikopa cha zikopa zoyendetsedwa chikuyembekezeka kupitilirabe kutentha

Zopanga za polyurethane chikopa (chikopa cha Puthermis), ndiye poureurethane wa epidermis, chikopa cha microfiber, chabwino kuposa pvc (wotchedwa chikopa chakumadzulo). Tsopano zovala zojambula zomwe zimagwiritsidwa ntchito kwambiri zinthu zoterezi kupanga zovala, zomwe nthawi zambiri zimadziwika kuti zikopa zikopa. Pu ndi chikopa ndi gawo lachiwiri la chikopa chomwe mbali yakumanja ndi ng'ombe, yokutidwa ndi wosanjikiza wa Pumin pamtunda, omwe amadziwikanso kuti nkhumba. Mtengo wake ndi wotsika mtengo komanso kuchuluka kwa momwe amathandizira. Ndi kusintha kwa njira yake kumapangidwanso kwa mitundu yosiyanasiyana ya mitundu iwiri yosiyanasiyana, chifukwa cha njira zapadera, zikopa zokhazikika, za kalasi ndi kalasi sizikhala zocheperako za zikopa zowona.

Pu Chikopa pakadali pano zopangidwa ndi zinthu zokongola kwambiri pazopanga zikopa; Ndipo chikopa cha PVC Ngakhale chili ndi mawombo ovulaza m'malo ena ali oletsedwa, koma mitengo yake yotsika ndi mitengo yotsika imapangitsa kuti pamudzi wochepa akhalebe ndi mpikisano wamphamvu; Purrofiber Pu Chikopa Ngakhale ali ofanana ndi zikopa, koma mitengo yake yapamwamba imakhala ndi ntchito yake yayikulu, gawo la msika pafupifupi 5%.