Daim ntawv thov ntawm cellulose ether yog dav heev, thiab kev txhim kho tag nrho ntawm lub teb chaws kev lag luam yuav tsav tsheb ncaj qha rau kev txhim kho ntawm kev lag luam cellulose ether. Tam sim no, daim ntawv thov ntawmcellulose etherHauv Suav teb, feem ntau yog tsom mus rau kev lag luam xws li cov ntaub ntawv siv hauv tsev, kev khawb roj thiab tshuaj. Nrog rau kev siv thiab kev txhawb nqa ntawm cellulose ether hauv lwm qhov chaw, qhov kev thov rau cellulose ether hauv kev lag luam downstream yuav loj hlob sai.
Ntxiv rau, lub teb chaws txoj kev nqis peev ntau ntxiv rau kev tsim kho vaj tse ruaj khov thiab kev txhim kho lub zog, nrog rau lub teb chaws txoj kev tsim kho nroog, thiab kev nce ntxiv ntawm cov neeg nyob hauv tsev, kev noj qab haus huv thiab lwm yam, yuav muaj kev cuam tshuam zoo rau cellulose ether los ntawm kev coj cov ntaub ntawv tsim kho, kev khawb roj thiab kev lag luam tshuaj. Kev loj hlob ntawm kev lag luam tsim kev rub tsis ncaj qha.
HPMCCov khoom lag luam feem ntau yog siv rau ntau qhov chaw ntawm lub teb chaws kev lag luam hauv daim ntawv ntawm cov khoom ntxiv, yog li HPMC muaj cov yam ntxwv ntawm kev siv dav thiab kev siv tawg, thiab cov neeg siv kawg downstream feem ntau yuav hauv cov khoom me me. Raws li cov yam ntxwv ntawm cov neeg siv kawg tawg hauv kev ua lag luam, kev muag khoom HPMC feem ntau txais yuav tus qauv muag khoom.
Cov cellulose ethers uas tsis yog ionic siv dav hauv kev lag luam tshuaj ua cov tshuaj ntxiv, xws li cov thickeners, dispersants, emulsifiers thiab cov neeg sawv cev ua zaj duab xis. Nws yog siv rau txheej zaj duab xis thiab nplaum rau ntawm cov tshuaj ntsiav, thiab nws kuj tseem siv tau rau kev ncua, kev npaj qhov muag, kev tso tawm matrix thiab cov ntsiav tshuaj ntab, thiab lwm yam. Vim tias cov tshuaj cellulose ether muaj cov kev cai nruj heev rau cov khoom purity thiab viscosity, cov txheej txheem ntau lawm yog qhov nyuaj heev thiab muaj ntau cov txheej txheem ntxuav. Piv nrog rau lwm cov khoom cellulose ether, tus nqi sau cov khoom tiav yog qis, tus nqi tsim khoom siab, thiab tus nqi ntxiv ntawm cov khoom yog siab.
Tam sim no, cov tshuaj ntxiv rau txawv teb chaws suav txog 10-20% ntawm cov nqi tsim tawm ntawm tag nrho cov tshuaj npaj. Txij li thaum kuv lub teb chaws cov tshuaj ntxiv rau pib lig thiab qib tag nrho qis, cov tshuaj ntxiv rau hauv tsev suav txog qhov sib piv tsawg ntawm tag nrho cov tshuaj, kwv yees li 2-3%. Cov tshuaj ntxiv rau feem ntau yog siv rau hauv cov khoom npaj xws li cov tshuaj npaj, cov tshuaj patent Suav thiab cov khoom siv biochemical. Txij li xyoo 2008 txog 2012, tag nrho cov nqi tsim tawm ntawm cov tshuaj yog 417.816 billion yuan, 503.315 billion yuan, 628.713 billion yuan, 887.957 billion yuan thiab 1,053.953 billion yuan feem. Raws li qhov sib piv ntawm kuv lub teb chaws cov tshuaj excipients suav txog 2% ntawm tag nrho cov txiaj ntsig tso tawm ntawm cov tshuaj npaj, tag nrho cov txiaj ntsig tso tawm ntawm cov tshuaj excipients hauv tsev txij li xyoo 2008 txog 2012 yog li 8 billion yuan, 10 billion yuan, 12.5 billion yuan, 18 billion yuan thiab 21 billion yuan.
Thaum lub sijhawm "Txoj Kev Npaj Tsib Xyoos Thib Kaum Ob", Ministry of Science thiab Technology suav nrog cov thev naus laus zis tseem ceeb rau kev tsim cov tshuaj tshiab ua cov ncauj lus tshawb fawb. Hauv "Txoj Kev Npaj Txhim Kho Tsib Xyoos Thib 12 ntawm Kev Lag Luam Tshuaj" uas tau tshaj tawm los ntawm Ministry of Industry thiab Information Technology, kev txhawb nqa kev tsim kho thiab kev siv cov tshuaj tshiab thiab cov ntaub ntawv ntim khoom yog teev tseg ua thaj chaw tseem ceeb rau kev txhim kho kev lag luam tshuaj. Raws li lub hom phiaj ntawm qhov nruab nrab txhua xyoo ntawm 20% hauv tag nrho cov txiaj ntsig ntawm kev lag luam tshuaj hauv "Txoj Kev Npaj Tsib Xyoos Thib Kaum Ob" ntawm Ministry of Industry thiab Information Technology, qhov loj me ntawm kev ua lag luam ntawm cov tshuaj yuav loj hlob sai sai yav tom ntej, thiab tib lub sijhawm txhawb kev loj hlob ntawm qib tshuaj.HPMCkev ua lag luam.
Lub sijhawm tshaj tawm: Plaub Hlis-25-2024