摘要:
The present invention relates, in part, to ternary azeotropic compositions and mixtures including chlorotrifluoropropene, methanol, and a third component selected from isohexane, trans-1,2-dichloroethylene, and petroleum ether. The present invention further relates to ternary azeotropic compositions and mixtures including chlorotrifluoropropene, cyclopentane, and a alcohol selected from methanol, ethanol, and isopropanol.
摘要:
A composition including 2,4,4,4-10-tetrafluorobut-1-ene and cis-1,1,1,4,4,4-hexafluorobut-2-ene, and also the use thereof in particular as a heat transfer fluid. The composition may include: from 1% to 99% of 2,4,4,4-tetrafluorobut-1-ene and from 1% to 99% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 5% to 70% of 2,4,4,4-tetrafluorobut-1-ene and from 30% to 95% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 20% to 65% of 2,4,4,4-tetrafluorobut-1-ene and from 35% to 80% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 25% to 60% of 2,4,4,4-tetrafluorobut-1-ene and from 40% to 75% of cis-1,1,1,4,4,4-hexafluorobut-2-ene; preferably from 28% to 51% of 2,4,4,4-tetrafluorobut-1-ene and from 49% to 72% of cis-1,1,1,4,4,4-hexafluorobut-2-ene.
摘要:
The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.
摘要:
The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.
摘要:
The present disclosure relates to compositions comprising 2,3,3,3-tetrafluoropropene that may be useful as heat transfer compositions, aerosol propellants, foaming agents, blowing agents, solvents, cleaning agents, carrier fluids, displacement drying agents, buffing abrasion agents, polymerization media, expansion agents for polyolefins and polyurethane, gaseous dielectrics, extinguishing agents, and fire suppression agents in liquid or gaseous form. Additionally, the present disclosure relates to compositions comprising 1,1,2,3-tetrachloropropene, 2-chloro-3,3,3-trifluoropropene, or 2-chloro-1,1,1,2-tetrafluoropropane, which may be useful in processes to produce 2,3,3,3-tetrafluoropropene.
摘要:
A method for obtaining cochineal wax is provided which comprises (a) harvesting cochineal insects from an artificial medium inoculated with the insects; (b) extracting cochineal wax from the insects with a liquid medium; and (c) isolating cochineal wax from the liquid medium.
摘要:
A composition contains (A) a hydrosilylation reaction catalyst and (B) an aliphatically unsaturated compound having an average, per molecule, of one or more aliphatically unsaturated organic groups capable of undergoing hydrosilylation reaction. The composition is capable of reacting via hydrosilylation reaction to form a reaction product, such as a silane, a gum, a gel, a rubber, or a resin. Ingredient (A) contains a metal-ligand complex that can be prepared by a method including reacting a metal precursor and a ligand.
摘要:
The invention provides a heat transfer composition consisting essentially of from about 82 to about 88% by weight of trans-1,3,3,3-tetrafluoropropene (R-1234ze(E)) and from about 12 to about 18% by weight of 1,1-difluoroethane (R-152a). The invention also provides a heat transfer composition comprising from about 5 to about 85% by weight R-1234ze(E), from about 2 to about 20% by weight R-152a, and from about 5 to about 60 by weight 1,1,1,2-tetrafluoroethane (R-134a).
摘要:
Azeotropic or azeotrope-like compositions are disclosed. The azeotropic or azeotrope-like compositions are mixtures of (A) a compound of the formula CF3CX═CHRa where X is H or F and Ra is CF3CF2, CF3 or Cl, provided that (i) when X is F, Ra is Cl, (ii) when Ra is CF3CF2 or Cl, the compound of formula CF3CX═CHRa is the E configurational isomer, and (iii) when Ra is CF3, the compound of formula CF3CX═CHRa is the Z configurational isomer; and (B) a compound of the formula CF3Rb where Rb is CHFCH2F or CH═CHCF3, provided that when Rb is CH═CHCF3, X is F and the compound of formula CF3Rb is the Z configurational isomer. Also disclosed are processes for using such azeotropic or azeotrope-like compositions for preparing a thermoplastic or thermoset foam, for producing refrigeration, for producing an aerosol product and for extinguishing and suppressing a fire; and as blowing agents, solvents, heat transfer media and dielectrics.
摘要翻译:公开了共沸或类共沸组合物。 共沸或类共沸组合物是(A)式CF 3 C X = CHR a的化合物,其中X是H或F,Ra是CF 3 CF 2,CF 3或Cl的混合物,条件是(ⅰ)当X是F时,R a是Cl, (ii)当R a是CF 3 CF 2或Cl时,式CF 3 C X = CHR a的化合物是E构型异构体,和(iii)当R a是CF 3时,式CF 3 C X = CHR a的化合物是Z构型异构体; 和(B)式CF 3 R b的化合物,其中R b是CHFCH 2 F或CH = CHCF 3,条件是当R b是CH = CHCF 3时,X是F,式CF 3 Rb的化合物是Z构型异构体。 还公开了使用这种共沸或类共沸组合物制备热塑性或热固性泡沫的方法,用于制备制冷剂,用于生产气溶胶产品和灭火和抑制火焰; 以及作为发泡剂,溶剂,传热介质和电介质。
摘要:
A porous silica material disclosed in the present application is a porous silica material in which a plurality of silica particles are connected to one another three-dimensionally, wherein: a density of the porous silica material is less than 220 kg/m3; a particle diameter of the silica particles is 3.5 nm or more; and the water content of the porous silica material is 8 wt % or less.
摘要翻译:本申请中公开的多孔二氧化硅材料是三维二氧化硅颗粒彼此连接的多孔二氧化硅材料,其中:多孔二氧化硅材料的密度小于220kg / m 3; 二氧化硅粒子的粒径为3.5nm以上; 多孔二氧化硅材料的含水量为8重量%以下。