Collection website|Information

Welcome to our web site!

ShanDong Qi Tai chemical Co., Ltd.

Qi Tai chemical Co., Ltd.—14 Yearsoptical brightener manufacturers, stable quality and competitive price.

hotline:+86-13156220767

Contact Us

Hot Line: +86-13156220767

TEL:+86-13156220767

FAX:

EMAIL:Sales@qitaichemical.com

ADD:772 Jinshui Road,Licang District,Qingdao,Shandong

Raw material synthesis route of optical brightener OB [ 2019-03-25 ]
Yes, this is the ultimate article on OB, and you will be an OB insider. 1. Raw material synthesis route of optical brightener OB, Fluorescence brightener 0B was prepared from thiophen2, 5 dicarboxylic acid (OB acid) and o-amino-p-tert-butyl
Why the price of optical brightener OB has been falling in 2 [ 2019-03-25 ]
Why the price of optical brightener OB keeps falling in 2019??? , the reason is very simple and complicated, simple is the change in supply and demand, the downstream of the original with optical brightener OB into two pie, one from waste f
What's the bottom line on the price of optical brighteners k [ 2019-03-24 ]
Since the beginning of 2019, the price of optical brighteners has been falling again and again. The reason is not that the price of raw materials of optical brighteners has been falling, but that the manufacturers of optical brighteners hav
Hefty fluorescent brighteners (EFR) synthesis [ 2019-03-22 ]
(1) process flow: (3) operation: 1) chloride: fan 120 kg and 140 kg thionyl chloride added to the reaction kettle, stirring, cooled to 0 ~ 5 ℃, then add 4 kg anhydrous aluminium trichloride, heating up to 15 ~ 18 ℃, 5 h at this temperatu
Synthetic route of fluorescent brightener 162 [ 2019-03-22 ]
(1) process flow: A methylamine | 4- chloronaphthalene -1, 8- dimethyl anhydride N- methylation reaction N- methyl -1, 4- chloron1, sodium methoxide 8-naphthalimide condensation filtration washing refining product (2) equation: (3) operatio
What is the raw material DSD acid of VBL_OBA 85 [ 2019-03-22 ]
DSD acid optical brighteners are synthesized by condensation of DSD acid and other intermediates, which are classified as distyrene in many literatures. Book its single category, mainly because of one of the most important intermediate of s
2019 Wholesale price forecast of plastic fluorescent brighte [ 2019-03-19 ]
Wholesale price forecast for plastic optical brightener manufacturers in 2019 Influence prices mainly by supply and demand, supply is greater than demand lower prices, demand greater than supply prices rise, want to know the price of fl
Why plastic optical brightener manufacturers wholesale p [ 2019-03-19 ]
Influence prices mainly by supply and demand, supply is greater than demand lower prices, demand greater than supply prices rise, want to know the price of fluorescent whitening agent in 2019 to 2019 of supply and demand situation we need to
Is it adulteration that the optical brightener is compou [ 2019-03-19 ]
Fluorescent whitening agent distribution efficiency is adulterated, you also want to know, but the trade secrets, not for outsiders to know, its hard to do, the industry of fluorescent whitening agent compound efficiency is not adulterated,
Why is the price of the same optical brightener so much [ 2019-03-19 ]
In 2018, with the development of the domestic environmental protection supervision, the price of fluorescent whitening agent is growing every day, at the end of 2018 the trend has eased, the reason is because of the fluorescent whitening ag
Total 1Page10Num

We focus onoptical brightenersoptical brightenersob,wholesaleoptical brighteners KCBwholesaleoptical brighteners manufacturers

, welcome quote usoptical brighteners price