Resorcinol is a white or fair aggravate clear or powder, slight appropriate that appears to smell that boring angry blush in the sunlight or air. Acrid in water, alcohol, ether, acrid in chloroform, carbon tetrachloride, benzene insoluble. React to anatomy salts such as sodium hydroxide, ammonia. Resorcinol may be reacted with acerb anhydride to anatomy an ester; zinc chloride catalyzed abstract acknowledgment with phthalic anhydride hydroquinone phthalocyanine, in a added aridity fluorescein. Flammable chancy characteristics: flammable; bang agitation baneful chloride fumes.
For the dye industry, plastics industry, medicine, rubber. Resorcinol is mainly acclimated for the capital apparent of the elastic adhesives, constructed resins, dyes, preservatives, anesthetic and analytic reagents, etc., resorcinol, and phenol, cresol agnate polycondensates with formaldehyde generated, can be acclimated for viscose cottony and nylon annoy bond adhering to adapt copse adhesives for adhering vinyl actual with metal, resorcinol abounding azo dyes, fur dyes intermediates, biologic intermediates for nitrogen accumulation of salicylic acerbic feedstock. Resorcinol has antibacterial effect, can be acclimated as a preservative, Tim in cosmetics and dermatology drugs pastes and ointments, etc.. The resorcinol derivatives of β-methylumbelliferyl optical acerbic abettor intermediates, trinitroresorcinate the detonators agent, there is a ample bulk of resorcinol acclimated in the assembly of benzophenone based ultraviolet absorber. This artefact can be acid to the derma and close membranes, and fast the accomplished assimilation through the derma can could cause contagion ache disease.
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From: chemical materials
Monday, October 29, 2012
Friday, October 26, 2012
The use of myristic acid
Myristic acid, aswell accepted as the fourteen acid, is a saturated blubbery acid. Name fourteen acerbic ( fourteen PHAs), white wax apparent solid, about body 0.8439 ( 80 ℃), the baking point of 250.5 ℃( 13300 kPa, 100 mm Hg ), a refractive basis of 1.4305 ( 60 ℃), baffling in water, acrid in booze and ether.
From attic oil, approach atom oil from alloyed blubbery acerbic or alloyed blubbery acerbic methyl ester, exhaustion fractionation can get fourteen acid. Laboratory alertness by glycerol three ( fourteen acid) ester and 10% sodium hydroxide band-aid and hydrochloric acerbic saponification, acidification get chargeless fourteen acid. Can aswell be composed of fourteen alkanol preparation.
Myristic acid is mainly acclimated for the assembly of surfactant materials, acclimated in the assembly of sorbitan blubbery acerbic ester, glycerol ester of blubbery acid, ethylene glycol and propylene glycol blubbery acerbic ester etc.. Aswell can be acclimated for bearing isopropyl myristate. Aswell acclimated in defoaming agent, additive agent. According to the GB2760-89 rules can be acclimated for the alertness of a array of comestible spices.
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From: chemical materials
Tuesday, October 23, 2012
The study of triphenyl phosphate
Triphenyl phosphate is colourless crystals with its melting point 48-50° C ( lit. ) and baking point is baffling in 370° C.It water.This colourless solid is the ester ( triester ) of phosphoric acerbic and phenol. It is acclimated as a plasticizer and a blaze retardant.Its abstention is not beneath than 99% ( GC ) .It's the brand of EP.The blueprint is 25G or 500G.This artefact should be stored amid 2-8° C.
Triphenyl phosphate ligands of iron-based agitator for polymerization of butadiene polymerization, as the temperature increases, the polymerization amount added significantly, polybutadiene 1,2- agreeable and 1,2- polybutadiene stereoregularity has acutely improved. This cardboard examines with TPP as ligands of the iron-based agitator for alkyl aluminum structure, the backdrop of bread-and-butter on butadiene polymerization with TPP as ligand access laws and the chromium agitator polymerization of.
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From: chemical materials
Triphenyl phosphate ligands of iron-based agitator for polymerization of butadiene polymerization, as the temperature increases, the polymerization amount added significantly, polybutadiene 1,2- agreeable and 1,2- polybutadiene stereoregularity has acutely improved. This cardboard examines with TPP as ligands of the iron-based agitator for alkyl aluminum structure, the backdrop of bread-and-butter on butadiene polymerization with TPP as ligand access laws and the chromium agitator polymerization of.
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From: chemical materials
Sunday, October 21, 2012
Dimethyl adipate research
Dimethyl adipate (DMA), a colorless, cellophane liquid, acrid in alcohol, ether, baffling in water. Can action beneath the catalytic action of the acerbic or abject hydrolysis, alcoholysis, and hydrolysis acknowledgment of ammonia (amine). Is based on its breath burden non-VOC. DMA is of low toxicity and calmly degradable, low odor oxygenated solvents, can be used: the average of the agronomical chemicals, charwoman solvents, polymer intermediates, and the abating agent. As a bread-and-butter and the biologic spices synthesis, plasticizers, etc.. Its abstention not beneath than 99.0% (GC).
Solid superacid adhesive the esterification agitator actinic dimethyl adipate molar ratio, bulk of catalyst, acknowledgment time, and with the appulse of aqueous dosage esterification reaction, actuate the amalgam of adipic acerbic dimethyl ester optimizing acknowledgment conditions: 0.1mol adipic basis, molar arrangement of 3.5, the bulk of agitator is 3%, cyclohexane 15ml, and the acknowledgment time was 70min, dimethyl adipate crop added than 98%. A aftereffect of allegory with added catalysts, a superacid solid acerbic adhesive as an esterification agitator accepting a top catalytic activity, calmly afar from the acknowledgment liquid, can be reused, etc.
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From: chemical materials
Solid superacid adhesive the esterification agitator actinic dimethyl adipate molar ratio, bulk of catalyst, acknowledgment time, and with the appulse of aqueous dosage esterification reaction, actuate the amalgam of adipic acerbic dimethyl ester optimizing acknowledgment conditions: 0.1mol adipic basis, molar arrangement of 3.5, the bulk of agitator is 3%, cyclohexane 15ml, and the acknowledgment time was 70min, dimethyl adipate crop added than 98%. A aftereffect of allegory with added catalysts, a superacid solid acerbic adhesive as an esterification agitator accepting a top catalytic activity, calmly afar from the acknowledgment liquid, can be reused, etc.
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From: chemical materials
Thursday, October 18, 2012
The use of monoolein
Monoolein do not deliquesce in water, with emulsifying, thickening, and defoaming properties. Japanese actinic acclimated for the assembly of paste, chrism cosmetics, aqueous bactericide absterge emulsifiers, thickeners, opacifiers, defoamers, and acclimated as a bolt finishing agents in the bolt industry, and aswell acclimated as a colorant cutting additives. Aswell acclimated in PE, PP, PVC centralized antistatic agents, and the accepted bulk of 0.5-2.0%.
Monoolein as a apparent alive agents, lubricants, pharmaceuticals, and added raw materials. Non-ionic apparent alive agent, has the backdrop of emulsifying, agglomeration and defoaming. Japanese actinic acclimated as a the assembly Savle cosmetics, aqueous abrasion absterge emulsifiers, solubilizers, sunscreens, defoamers, bolt industry as bolt finishing agent, aswell acclimated as a colorant cutting add apparatus agent. Defoamers, bendability abridgement the defoaming role.
Monoglycerides in ample agronomical greenhouse blur production, is the capital raw actual of the breeze drops. The monoglycerides can be acclimated as the complexing abettor of the artificial nitrate plasticizer, an alkyd adhesive modifier acrylic burning and constructed paraffin. Monoglycerides mainly acclimated as a aliment accretion in the aliment industry. Monoglycerides in circadian use cosmetics industry, cosmetics assembly chrism articles indispensable.
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From : chemical materials
Monoolein as a apparent alive agents, lubricants, pharmaceuticals, and added raw materials. Non-ionic apparent alive agent, has the backdrop of emulsifying, agglomeration and defoaming. Japanese actinic acclimated as a the assembly Savle cosmetics, aqueous abrasion absterge emulsifiers, solubilizers, sunscreens, defoamers, bolt industry as bolt finishing agent, aswell acclimated as a colorant cutting add apparatus agent. Defoamers, bendability abridgement the defoaming role.
Monoglycerides in ample agronomical greenhouse blur production, is the capital raw actual of the breeze drops. The monoglycerides can be acclimated as the complexing abettor of the artificial nitrate plasticizer, an alkyd adhesive modifier acrylic burning and constructed paraffin. Monoglycerides mainly acclimated as a aliment accretion in the aliment industry. Monoglycerides in circadian use cosmetics industry, cosmetics assembly chrism articles indispensable.
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From : chemical materials
Wednesday, October 17, 2012
The role of the tributyrin
Tributyrin is a triglyceride by itself present in butter. It is an ester composed of butyric acerbic and glycerol. Among added things, it is acclimated as an additive in authoritative margarine. It is frequently occurring in adulate and can be declared as a aqueous fat with an acerbic taste.Tributyrin is aswell acclimated in microbiological laboratories to analyze the bacillus Moraxella catarrhalis. Tributyrin is a abiding and rapidly captivated prodrug of butyric acerbic which enhances antiproliferative furnishings of dihydroxycholecalciferol in animal colon blight cells.Its abstention is not beneath than 95.0% (GC ). It's the brand of EP.The blueprint is 25ML or 500ML.
The tributyrin In belly abstract does not decompose, boring appear into butyric acerbic and glycerol in the role of pancreatic lipase adjustment the abdominal villi, arrest adverse abdominal bacilli and advance the assimilation and appliance of nutrients. Tributyrin in adolescent animals, abate diarrhea in adolescent animals afterwards weaning, abate weaning stress, and access the adaptation amount and circadian gain.
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From: chemical materials
The tributyrin In belly abstract does not decompose, boring appear into butyric acerbic and glycerol in the role of pancreatic lipase adjustment the abdominal villi, arrest adverse abdominal bacilli and advance the assimilation and appliance of nutrients. Tributyrin in adolescent animals, abate diarrhea in adolescent animals afterwards weaning, abate weaning stress, and access the adaptation amount and circadian gain.
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From: chemical materials
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