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278 results about "METHYLPROPANEDIOL" patented technology

Polyester resin for epoxy-cured powder coating with high glossiness and high leveling property and preparation method thereof

ActiveCN103642014AControl surface tensionControl Melt ViscosityPowdery paintsEpoxy resin coatingsEpoxy1,3-Propanediol
The invention relates to a polyester resin for an epoxy-cured powder coating with high glossiness and high leveling property and a preparation method thereof. The polyester resin has relatively high glass-transition temperature. The technical scheme is as follows: the polyester resin for the epoxy-cured powder coating with high glossiness and high leveling property orderly comprises the following components: neopentyl glycol, 2-methylpropanediol, diglycol, 2-butyl-2-ethyl-1, 3-propylene glycol, terephthalic acid, isophthalic acid, sebacic acid and trimellitic anhydride. The preparation method of the polyester resin for the epoxy-cured powder coating with high glossiness and high leveling property comprises the following steps: 1) adding a proportioning amount of polyhydric alcohol to a reaction kettle, heating at normal temperature, and then feeding a proportioning amount of polyatomic acid and esterification catalyst; 2) carrying out thermal reaction until the water yield of the esterified water can be up to 95% or more of theoretical water yield; 3) adding trimellitic anhydride and isophthalic acid, and carrying out thermal reaction; 4) gradually vacuumizing, and reacting; 5) discharging.
Owner:ZHEJIANG CHUANHUA TIANSONG NEW MATERIAL CO LTD

Antimicrobial peptide freeze-dried preparation for treating colpitis and preparation method thereof

InactiveCN104043098AStrong anti-inflammatory, anti-itch and anti-bacterialProtect physical and mental healthOrganic active ingredientsPeptide/protein ingredientsProtozoaCancer cell
The invention provides a freeze-dried preparation for treating colpitis. The preparation includes an antimicrobial peptide freeze-dried powder and an antibacterial peptide basic liquid. The antibacterial peptide freeze-dried powder comprises the following components according to the total mass percentage: 0.1%-8% of an antibacterial peptide human beta defensin, 0.01%-0.2% of a low molecular weight heparin sodium and 1%-15% of a stabilizing agent; the antibacterial peptide basic liquid comprises the following components according to the total mass percentage: 0.01%-0.4% of hyaluronic acid, 0.5%-4% of menthoxypropanediol, 0.5%-5% of a honey extract, 0.5%-5% of PCA sodium, 0.5%-5% of dissolved protease, 0.3%-0.7% of 1,2 hexanediol, 1.5%-6% of oat beta dextran, 1%-5% soybean isoflavone, and the balance of deionized water or water for injection. The antimicrobial peptide freeze-dried preparation provided by the invention has broad-spectrum antibacterial activity, and strong killing effect on bacteria, fungi, viruses, protozoa and cancer cells, and even can enhance immunity, accelerate wound healing process; in addition, the preparation has obvious curative effect, and no rebound or side effect.
Owner:广州舒泰生物技术有限公司
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