ʻO kahi ʻano hoʻomākaukau no ka mea hoʻokūpaʻa māmā amine a me ka waena
HELU PATENT: ZL201710408973.2
OLELO HOOLAHA
ʻO ke ʻano o ka hoʻomākaukau ʻana o ka amine light stabilizer N,N'-bis (2,2,6, 6-tetramethyl-4-piperidyl) -N, N '-diuronic alkyl diamine penei: ka 4-formamide-2,2 ,6, 6-tetramethylpiperidine a me dibromothane ua hoʻoulu ʻia e ka reflux a me ka catalyst no 1-24h, a ua hoʻohui koke ʻia ka wai.Loaʻa ka huahana ma hope o ka hoʻoulu ʻana, hoʻoluʻu, holoi, kānana, a maloʻo.
I waena o lākou, ʻo ke ʻano o ka hoʻomākaukau ʻana o ka waena 4-formamide-2,2,6, 6-tetramethylpiperidine: 2,2,6, 6-tetramethylpiperidine, formamide, Lewis acid catalyst, binding alkali agent, i hoʻokomo ʻia i ka hopena wela ma lalo o ka lewa. kaomi no 1-24h.Loaʻa ka huahana ma hope o ka hoʻoulu ʻana, ka hoʻoluʻu, ka holoi ʻana, ka kānana a me ka maloʻo.
ʻO ke kaʻina hana synthesis o ka mea i hana ʻia he maʻalahi a maʻalahi hoʻi e hana, a ua maʻalahi ka maʻi ma hope;ʻO nā mea maka i makemake ʻia, nā catalysts a me nā solvents he maʻalahi ke loaʻa.ʻO ke kaʻina hana holoʻokoʻa e pili ana i nā loina waiwai, palekana a pili i ke kaiapuni, a kiʻekiʻe ka hua o ka huahana.
ʻO kahi ʻano hoʻomākaukau no ka hoʻopili ʻana i ka amine ultraviolet absorber
HELU PATENT: ZL201910576883.3
OLELO HOOLAHA
Hōʻike ka mea hou i kahi ʻano hoʻomākaukau o ka amine uv absorber: hoʻohui i ka malonic acid a me ka pentamethylpiperidol, hoʻohui i ka toluene ma ke ʻano he mea hoʻoheheʻe, hoʻohui i ka catalyst, a hana i ka 100 ℃-110 ℃ no 6h.Ua ho'ōki ka hopena i ka wā i emi iho ai ka malonic acid ma mua o 1%.E hoʻokuʻu i ka mahana i 50 ℃, e hoʻohui i ka wai deionized, e hoʻoulu no 30min, a laila e hoʻohui i ka nui o ka cyclohexane me anisaldehyde, hoʻoulu a hoʻoheheʻe, hoʻohui i ka piperidine a me ka acetic acid, wela a hiki i 70 ℃-80 ℃ no ka pane, a hoʻokaʻawale i ka wai i hana ʻia. i ke kaʻina hana.Ua hooki ʻia ka hopena i ka wā i emi iho ai ka maʻiʻo anisaldehyde ma mua o 1% i ka pae wai.Ua hoʻomaha ʻia ka hopena hopena i 5 ℃ a hoʻoulu ʻia no 1h a hiki i ka hemo ʻana o ka paʻa.Ma hope o ka kānana ʻana, hoʻomaʻemaʻe ʻia ka hopena me 3 mau manawa o ka nui o ka ethanol a loaʻa ka huahana.
ʻAʻole ʻoi aku ka kiʻekiʻe o ka mahana o ka amine uv absorber i ka hoʻomākaukau ʻana ma mua o 110 ℃;ʻoluʻolu ka hoʻoponopono ʻana;maʻalahi ke kaʻina hana pane;a he kiʻekiʻe ka maʻemaʻe o ka huahana;ʻAʻole maʻalahi ka ʻōnaehana hoʻonā mua i ka wai, a pono wale e hoʻokuʻu i ka wai i loko o ka ʻōnaehana i ka wā e kokoke ana ka hopena, e mālama i ke kaʻina hana.
ʻO ka huahana a me ke ʻano o ka hoʻomākaukau ʻana o kahi multi-effect thiether bisphenol acrylat antioxidant
HELU PATENT: ZL201910569404.5
OLELO HOOLAHA
Phenol acrylate multi-effect antioxidant molecules loaʻa nā mea nui o ka phenol antioxidant functional groups, auxiliary antioxidants thioether bond and carbon capture free radicals function of acrylic phenolic ester structure, e lawe mai ana i ka triple effect syncretic i ka hana a me ka hoohana ana i na mea polymer.ʻOi aku ka maikaʻi o ka pale ʻana i nā mea polymer, pale i nā huahana o ka degradation a me ka ʻelemakule, hoʻoponopono i ka hana maikaʻi ʻole ke hoʻohana ʻia ka antioxidant hana hoʻokahi ma nā mea polymer.I kēia manawa, ʻoi aku ka haʻahaʻa o ke kaʻina hana hoʻomākaukau e pili ana i ka wela a me ka hoʻohana ʻana i ka ikehu, a hiki ke hoʻoneʻe ʻia ka kānana huahana me ka ʻole o ka wai ʻōpala, a me ka hoʻoheheʻe hou ʻana, no laila ke kaʻina hana eco-friendly.
He ala hoʻomākaukau no ka mea hoʻomaʻemaʻe kiʻekiʻe pentaerythritol plastic auxiliary
HELU PATENT: 201910447473.9
OLELO HOOLAHA
Hōʻike ka mea hana i kahi ʻano hoʻomākaukau no ka mea hoʻomaʻemaʻe kiʻekiʻe pentaerythritol plastic auxiliary, a penei nā ʻanuʻu: hoʻohui i nā mea hana a me ka pentaerythritol, wela a hiki i 100-150 ℃ a hoʻoulu no 15min;e hoʻohui i ka dioctyl tin oxide, wela i ka 170-190 ℃ ma hope o ka hoʻomaʻemaʻe nitrogen, e hoʻomau i ka hopena a hiki i ka piʻi ʻana o ka ʻike o ka wai.e hoʻokuʻu i ka mahana i 150 ℃, e hoʻohui i ka xylene, e hoʻomau i ka hoʻohaʻahaʻa ʻana i ka mahana i 100 ℃, a laila e hoʻohui i ka haʻahaʻa haʻahaʻa monic acid aqueous solution, e hoʻoulu i 100 ℃ no 1h, e hāʻule i ka lumi wela;e hoʻohui i ka methanol, e hoʻoulu i ka 3-5h, a ua kānana ʻia ka huahana coarse paʻa no ka loaʻa ʻana o ka huahana maʻemaʻe ma hope o ka re-crystallization me toluene.
Ma hope o ka pau ʻana o ka hopena, ua hoʻohui pololei ʻia ka haʻahaʻa-molecular-monic acid i loko o ka reactant e hoʻokō i ka hopena esterification me ka displaceable a trisubstituted impurities i loko o ka reactant, i mea e hoʻopau ai i nā haumia a hoʻokaʻawale iā lākou mai ka huahana.ʻAʻole pono ke ʻano e hoʻohana i ka nui o nā mea hoʻoheheʻe a me nā hana recrystallization he nui, a he hopena maikaʻi ka wehe ʻana i ka haumia.
He ala hoʻomākaukau o 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene
HELU PATENT: ZL201610332457.1
OLELO HOOLAHA
Hōʻike ka mea hou i kahi ʻano hoʻomākaukau o 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene.
Aia i loko o ke ala: ka hoʻohui ʻana: hui ʻia ka methyl o-bromobenzoate me 9, 9-dimethyl su-2-boric acid e hoʻohua ai i nā pūhui e like me ka mea i hōʻike ʻia ma ka Formula M-1;Pākuʻi hoʻohui: ua hoʻohui ʻia ka pūhui i hōʻike ʻia ma ka Formula M-1 me ka methyl magnesium bromide, a laila hydrolyzed e hana i ka pūhui i hōʻike ʻia ma ka formula M-2;ʻO ka hopena Cyclization: ma ke alo o ka waikawa, ua hoʻololi ʻia ka hui i hōʻike ʻia ma ke ʻano M-2 a hoʻololi ʻia i 6,6,12, 12-tetramethyl-6, 12-dihydroindene [1,2-b] fluorene e like me ka mea i hōʻike ʻia ma ka formula M .
Ma muli o keʻano o ka hoʻomākaukauʻana o ka mea i hanaʻia, ua maʻalahi a maʻalahi ka hana;Loaʻa nā mea maka e pono ai ma ke kumu kūʻai haʻahaʻa;ʻO 77 ~ 88% ka hua, kūpono no ka hana nui.
