The molecular weight is an important parameter that is characterized by the polymer.2-Benzyl-2-(dimethylamino)-4-morpholinyl phenylbutanone 2-Dimethylamino-2-benzyl-1-[4-(4-morpholinyl)phenyl]-1-butanone 2-Phenylbenzyl-2-dimethylamine-1-(4-morpholinebenzylphenyl)butanone 2-Benzyl-2-dimethylamino-4-morpholine 2-Benzyl-2-(dimethylamino)-1-[4-(morpholino)phenyl]-1-butanone Photoinitiator 369 2-Benzyl-2-(dimethylamino)-1-[4-(4-morpholinyl)phenyl]-1-butanone Photoinitiator 369 PI-369 manufacturer  Factors affecting polymerization rates, such as initiators, monomer concentration, polymerization temperature, etc., often affect molecular weight, affecting different directions. The usual chain transfer reaction does not affect the rate of polymerization, but has a large amount of molecular weight. The length of the dynamic chain can be understood as a polycarboxylic acid molecule (large monomer + acrylic acid) monomer + acrylic acid). Basic requirements: Musse the selectivity of the polymerization mechanism, understand the polymerization thermodynamics of radical polymerization, master the radical polymerization mechanism and the difference in gradual polymerization, master the type, initiating mechanism and efficiency of the initiator; Rate and molecular weight free radical polymerization mechanical factors; master automatic acceleration phenomenon and why; familiar with the basic concepts such as blocked polymerization and slowness, free radical life, dynamic chain, polymer upper temperature, etc. Familiar with polymerization thermodynamics and molecular weight distribution; common polymers that are familiar with free radical polymerization; to understand the choice of initiators; understand the active radical polymerization. The photoresist field focuses on large-scale, super large integrated circuits, high generation display panel photoresist, improved semiconductor photoresist and color photoresist, black photoresist, TFT New models such as engraving deliner supply level, break through key technologies such as KRF photoresist, Arf / Arfi photoresist, PSPI photoresist, electronic photoresist, improve the quality level of raw materials such as photoinitiators, monomers , Strengthen the research and development of raw materials such as photoresist resin, anti-reflective coatings, and color paste. Different coupling agents have different reactive groups, and different reactive groups have different effects on bonding properties.Photoinitiator 369 supplier  Other additive types: initiator: Decompose the substance that produces free radicals under certain conditions, typically contains a compound of unsaturated bond, and common initiator has peroxide, peroxide, peroxide, dioxide Nitrogen ischin and the like. Chapter IV: Introducing the basic situation of the main manufacturer (brand) of water-soluble azo to the Chinese market, including company profile, product model, sales, price, income, and latest developments; After the rhinitis appears, it can be alleviated by using nasal blood. When using nasal congestion, it can alleviate the nasal mucosa congestion, improve the runny nose caused by rhinitis, sneezing and other conditions, the condition will improve. This is a method that can be implemented during rhinitis treatment. After sticking, rhinitis will improve. Many laundry fluids contain fluorescent whitening agents, the ability to attach the laundry is very strong, the body temperature exceeds 25 degrees, and the fluorescent whitening agent will enter the body through the skin, it is difficult to metabolize! Some children like to bite the corner of the clothes, so the child's mouth is a fluorescent agent! At the same time, fluorescently caravans cause human cell distortion, causing dermatitis and skin itching. A high-elastic gel formed by an acrylate monomer as a primary agent, a diluent in a certain initiator, and a certain initiator and an accelerator. This product does not contain toxic ingredients in acrylic gels, is a low viscosity and high permeability environmental chemical grouting material; the gel has good infiltration, viscoelasticity and aging resistance. Moreover, the waterproof function has a lot of sunscreen, it is difficult to clean, so physical sunscreen needs to make up. Although chemical sunscreen conversion with ultraviolet absorption, not all sunscreen will be transformed. Moreover, if chemical sunscreen does not remove makeup, it is easy to penetrate into the skin, causing allergies. Skin care brands are up to four or five, skin care or ingredients, which may directly lead to sensitive skin. It is best to choose a single brand, the care program minus the murder, do not let the skin expose too much ingredients and care steps. Closely pay close attention to the skin care products that add drug ingredients, especially double sunscreen. It can be said that each chemical sunscreen is not good to the skin. The higher the concentration, the greater the amount of application, the higher the risk of allergies and inflammation.

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