In homogeneous catalysis, the catalyst is in the same phase as the reactant. The number of collisions between reactants and catalyst is at a maximum.In a patent, 18959-30-3, name is 4,5-Difluorophthalic Anhydride, introducing its new discovery. Recommanded Product: 18959-30-3
The invention relates to an easy-to-industrial production of high temperature resistant coupling agent and its preparation method. The present invention is to solve the silanes coupling agent the thermal stability is weak, while at the same time resistance to bacterial coupling agent is difficult to industrial preparation and the like. The invention high temperature resistant coupling agent preparation method is as follows: under the protection of nitrogen, the amino silane coupling agent added in three-mouth flask, then adding norbornene […] or 4 – phenylacetylene phthalic anhydride monomer, first stirring at room temperature the reaction 2 – 8 the H, make reaction monomer is mixed and dispersed evenly, the stirring rate control in 50 – 800 the R/min, then to 5 – 50 C/min of the rate of rise of the temperature of the reaction solution is adjusted to be 150 – 250 C, continue to reaction 2 – 10 and H, the final stop stirring, cooling the sample after crushing, get. The high temperature resistant coupling agent material is easy to industrial production, applied to the electronic industry in the protection of the metal surface. (by machine translation)
We’ll also look at important developments in the pharmaceutical industry because understanding organic chemistry is important in understanding health, medicine, the role of 18959-30-3, and how the biochemistry of the body works.Recommanded Product: 18959-30-3
Reference：
Benzofuran – Wikipedia,
Benzofuran | C8H2919O – PubChem