Emepụtara polymers nke ukwuu na ngwụcha afọ 1960. Na 1961, Northern Research Institute nke US Department of Agriculture anyadokwa starch na acrylonitrile maka oge mbụ iji mee HSPAN starch acrylonitrile graft copolymer nke karịrị ihe ọdịnala na-amị mmiri. N'afọ 1978, ụlọ ọrụ Sanyo Chemical Co., Ltd. nke Japan butere ụzọ n'iji ihe polymers na-amịkọrọ amịkpọ eme ihe maka diapers, bụ nke dọtara uche ndị ọkà mmụta sayensị si n'akụkụ ụwa niile. N'ọgwụgwụ 1970s, UCC Corporation nke United States tụrụ aro ka a ga-ejikọta olefin oxide polymers dị iche iche na ọgwụgwọ radieshon, na synthesized na-abụghị ionic super absorbent polymers nwere ikike mmịnye mmiri nke ugboro 2000, si otú a na-emepe njikọ nke ndị na-abụghị ionic. polymer absorbent. Ọnụ ụzọ. N'afọ 1983, Sanyo Chemicals nke Japan ji potassium acrylate nọ n'ihu ogige diene dị ka methacrylamide iji mee ka polymerize superabsorbent polymers. Mgbe nke ahụ gasịrị, ụlọ ọrụ ahụ anọgidewo na-emepụta usoro dị iche iche nke superabsorbent polymer nke mejupụtara polyacrylic acid na polyacrylamide gbanwere. Na njedebe nke narị afọ gara aga, ndị ọkà mmụta sayensị si mba dị iche iche emepụtawo nke ọma ma mee ka polymers dị elu na-etolite ngwa ngwa na mba n'ụwa nile. Ka ọ dị ugbu a, otu nnukwu mmepụta ihe atọ nke Japan Shokubai, Sanyo Chemical na Stockhausen nke Germany ewepụtala ọnọdụ ụkwụ atọ. Ha na-achịkwa 70% nke ahịa ụwa taa, ha na-eduzi ọrụ nkwonkwo mba ụwa site na imekọ ihe ọnụ iji mee ka ahịa dị elu nke mba niile dị n'ụwa na-achịkwa. Ikike ire polymers na-amị mmiri. polymer absorbent nwere ọtụtụ ojiji yana atụmanya ngwa sara mbara. Ka ọ dị ugbu a, isi ojiji ya ka bụ ngwaahịa ịdị ọcha, na-aza ihe dị ka 70% nke mkpokọta ahịa.
Ebe ọ bụ na sodium polyacrylate superabsorbent resin nwere nnukwu ikike mmịnye mmiri yana ezigbo njide mmiri, ọ nwere ọtụtụ ngwa dị ka onye na-ejigide mmiri ala na ọrụ ugbo na oke ohia. Ọ bụrụ na agbakwunyere ntakịrị sodium polyacrylate super absorbent n'ime ala, enwere ike ịbawanye ọnụego germination nke ụfọdụ agwa na mgbochi ọkọchị nke agwa pulitere, enwere ike ịkwalite ikuku ikuku nke ala. Tụkwasị na nke ahụ, n'ihi hydrophilicity na ezigbo mgbochi fogging na mgbochi condensation Njirimara nke super absorbent resin, enwere ike iji ya dị ka ihe nkwakọ ngwaahịa ọhụrụ. Ihe nkiri nkwakọ ngwaahịa nke nwere ihe pụrụ iche nke polima na-anabata ihe nwere ike ịnọgide na-adị ọhụrụ nke nri. Ịtinye obere polima na-adọrọ adọrọ na ihe ịchọ mma nwekwara ike ịbawanye viscosity nke emulsion, nke bụ ihe na-eme ka ọ dị mma. N'iji njirimara nke polima na-adọrọ adọrọ nke na-amịkọrọ mmiri naanị mana ọ bụghị mmanụ ma ọ bụ ihe mgbaze organic, enwere ike iji ya dị ka onye na-ekpochapụ mmiri na ụlọ ọrụ.
N'ihi na polymers na-adọrọ adọrọ bụ ndị na-adịghị egbu egbu, ndị na-adịghị akpasu ahụ mmadụ, mmeghachi omume na-adịghị n'akụkụ, na enweghị ọbara coagulation, a na-eji ha eme ihe na nkà mmụta ọgwụ n'afọ ndị na-adịbeghị anya. Dịka ọmụmaatụ, a na-eji ya maka mmanụ aṅụ dị n'elu nke nwere mmiri dị elu ma dị mma iji; imepụta bandeeji ọgwụ na bọọlụ owu nke nwere ike ịmịnye ọbara ọgbụgba na nzuzo site na ịwa ahụ na trauma, ma nwee ike igbochi suppuration; iji mepụta ihe na-egbochi nje bacteria nke nwere ike ịfefe mmiri na ọgwụ ma ọ bụghị microorganisms. Akpụkpọ anụ arụrụ arụ na-efe efe, wdg.
Site na mmepe nke sayensị na teknụzụ, nchekwa gburugburu ebe obibi adọtalakwu anya. Ọ bụrụ na a na-etinye polymer na-adọrọ adọrọ nke ukwuu n'ime akpa nke soluble na nsị, na akpa ahụ na-emikpu n'ime mmiri nsị, mgbe akpa ahụ gbazere, polima na-adọrọ adọrọ nwere ike ịmịnye mmiri ọkụ ngwa ngwa iji mee ka nsị ahụ sie ike.
N'ime ụlọ ọrụ eletrọnịkị, enwere ike iji polymer na-amịkọrọ mmiri dị ka ihe mmetụta iru mmiri, ihe mmetụta iru mmiri, na ihe nchọpụta mmiri. Enwere ike iji polymer absorbent dị egwu dị ka ihe mgbasa ozi ion dị arọ na ihe na-ebu mmanụ.
Na nkenke, polima na-ebu ibu bụ ụdị ihe eji eme ihe na-eji ọtụtụ ihe eji eme ihe. Mmepe siri ike nke resin polymer na-amị amị nwere nnukwu ikike ahịa. N'afọ a, n'okpuru ọnọdụ nke oké ọkọchị na obere mmiri ozuzo n'ọtụtụ akụkụ nke ugwu nke mba m, otu esi akwalite na iji polymers superabsorbent bụ ọrụ dị ngwa na-eche ndị ọkà mmụta sayensị na ndị ọrụ ugbo na ọhịa ihu. N'oge mmejuputa iwu nke Western Development Strategy, na-arụ ọrụ na-emeziwanye ala, vigorously ịzụlite na itinye multiple bara uru ọrụ nke ibu absorbent polymers, nke nwere ezi omume na-elekọta mmadụ na nwere akụ na ụba uru. Zhuhai Demi Chemicals na-ekpuchi ebe karịrị 30,000 square mita. Ọ bụ ọkachamara na nyocha na mmepe na mmepụta nke ngwaahịa ndị metụtara super absorbent ihe (SAP). Ọ bụ ụlọ ọrụ ụlọ mbụ na-etinye aka na resins na-adọrọ adọrọ nke na-ejikọta nyocha sayensị, mmepụta, ahịa, na ọrụ teknụzụ. ụlọ ọrụ teknụzụ dị elu. Ụlọ ọrụ ahụ nwere ikike ikike ọgụgụ isi nke onwe, nyocha siri ike na ike mmepe, ma na-ebupụta ngwaahịa ọhụrụ mgbe niile. Ọrụ a gụnyere n'ime "atụmatụ ọkụ" nke mba, gọọmentị mba, mpaghara na ọchịchị obodo toro ya ruo ọtụtụ oge.
Mpaghara Ngwa
1. Ngwa na oru ugbo na ugbo
A na-akpọkwa resin nke na-adọrọ adọrọ nke a na-eji na-arụ ọrụ ugbo na ihe ọkụkụ. obodo m bụ obodo nwere nnukwu ụkọ mmiri n'ụwa. Ya mere, ntinye nke ihe ndị na-ejigide mmiri na-aghọwanye ihe dị mkpa. Ka ọ dị ugbu a, ihe karịrị ụlọ ọrụ nyocha ụlọ ewepụtala ngwaahịa resin na-adọrọ adọrọ maka ọka, owu, mmanụ, na shuga. , ụtaba, mkpụrụ osisi, akwụkwọ nri, ọhịa na ndị ọzọ karịa 60 iche iche nke osisi, na nkwalite ebe karịrị 70,000 hectare, na ojiji nke ibu absorbent resin na Northwest, N'ime Mongolia na ndị ọzọ n'ebe maka nnukwu-mpaghara ájá akara greening afoforestation. The super absorbent resins eji n'akụkụ a bụ tumadi starch anyadokwa acrylate polymer cross-linked ngwaahịa na acrylamide-acrylate copolymer cross-linked ngwaahịa, nke nnu gbanwere si sodium ụdị gaa potassium ụdị. Ụzọ ndị bụ isi a na-eji eme ihe bụ ịgbakwasa mkpụrụ, ịgbasa, itinye oghere, ma ọ bụ ịgbanye mgbọrọgwụ osisi mgbe a gwakọtara ya na mmiri iji mee mado. N'otu oge ahụ, enwere ike iji resin super absorbent kpuchie fatịlaịza wee mee fatịlaịza, iji nye egwuregwu zuru oke maka ojiji nke fatịlaịza ma gbochie n'efu na mmetọ. Mba ndị mba ọzọ na-ejikwa resin na-amị amị nke ukwuu dị ka ihe na-edobe ọhụrụ maka mkpụrụ osisi, akwụkwọ nri na nri.
2. A na-ejikarị ngwa na ahụike na ịdị ọcha eme ihe dị ka akwa nhicha ọcha, akwa akwa nwa, akwa akwa, ngwugwu ice ọgwụ; ihe na-esi ísì ụtọ dị ka gel maka ojiji kwa ụbọchị iji dozie ikuku. A na-eji ya dị ka ihe ndabere ahụike maka ointments, creams, liniments, cataplasms, wdg, ọ nwere ọrụ nke moisturizing, thickening, infiltration skin na gelation. Enwere ike ịme ya ka ọ bụrụ onye na-ebu smart nke na-achịkwa ọnụ ọgụgụ ọgwụ ewepụtara, oge ntọhapụ, na ohere ntọhapụ.
3. Ngwa na ụlọ ọrụ
Jiri ọrụ nke resin nke ukwuu na-amịkọrọ mmiri na oke okpomọkụ wee hapụ mmiri na obere okpomọkụ iji mee ka ụlọ ọrụ mmepụta ihe na-ekpuchi mmiri. N'ime ọrụ mgbake mmanụ mmanụ, ọkachasị n'ubi mmanụ ochie, ojiji nke polyacrylamide aqueous aqueous ngwọta nke ultra-high molecular arọ maka mbugharị mmanụ dị irè nke ukwuu. A pụkwara iji ya mee ihe maka nsị nke ihe ndị na-emepụta ihe na-emepụta ihe, karịsịa maka ihe ndị na-emepụta ihe na-emepụta ihe na-adịghị ala ala. E nwekwara ụlọ mmepụta ihe thickeners, mmiri-soluble agba, wdg.
4.Ngwa na-ewu
Ihe na-eme ngwa ngwa nke a na-eji na-arụ ọrụ nchekwa mmiri bụ resin dị ọcha nke na-adọrọ adọrọ, nke a na-ejikarị eme ihe maka ịkwanye ọwara mmiri mmiri n'oge oge idei mmiri, na ịkwanye mmiri maka nkwonkwo a kpara akpa nke okpuru ulo, tunnels na ụzọ ụgbọ oloko; A na-eji ya eme ihe maka ọgwụgwọ nsị mmiri n'obodo mepere emepe na ịsa mmiri apịtị siri ike iji mee ka igwu ala na njem ụgbọ njem.
Oge nzipu: Dec-08-2021