摘要:
The present invention relates to a composition based on 1,1,1,3,3-pentafluorobutane (HFC-365 mfc), that can be used in deposition, cleaning, degreasing and drying applications. Its object is also a fluid for cleaning internal heat-transfer systems. The object of the present invention is also a method for dissolving oil and for cleaning.
摘要:
The present invention relates to a composition based on trans-1,2-dichloroethylene. A more particular subject-matter of the invention is a nonflammable composition comprising trans-1,2-dichloroethylene and pentafluoropropane and its use.
摘要:
The present invention relates to a composition based on 1,1,1,3,3-pentafluorobutane (HFC-365 mfc), that can be used in deposition, cleaning, degreasing and drying applications. Its object is also a fluid for cleaning internal heat-transfer systems. The object of the present invention is also a method for dissolving oil and for cleaning.
摘要:
The objective of the present invention is to provide a composition capable of being used as a refrigerant and which corresponds to the desire for a reduced environmental impact.The composition according to the present invention comprises from 15-25 wt % of difluoromethane (HFC-32), 50-60 wt % of pentafluoroethane (HFC-125), 15-25 wt % of 1,1,1,2 tetrafluoroethane (HFC-134a) and 1-3 wt % of propene (HC-1270).
摘要:
Composition consisting essentially of 55 to 94% R-125, 2.5 to 35% of R-134a and 3.5 to 25% by weight of DME, and its use as a refrigerant in a heat transfer system designed for R-22 and comprising, as lubricant, a mineral oil or an alkylbenzene oil.
摘要:
The present invention relates to compositions which can be used as expanding agent in the manufacture of thermosetting polymers. A more particular subject-matter of the invention is compositions comprising 1,1,1,3,3-pentafluorobutane (365 mfc), 1,1,1,3,3-pentafluoropropane (245 fa) and a hydrochlorocarbon compound.
摘要:
The invention relates to a hydrofluorocarbon (HFC)-based composition, to the use thereof in refrigeration and/or air conditioning and to a heat-transfer system containing same.
摘要:
A method for improving the processability of foam premixes containing HFC and/or pentane-based blowing agents in polyols is provided, which method comprises adding trans-1,2-dichloroethylene to said premix in an amount effective to enhance said processability.
摘要:
The present invention relates to compositions which can be used as expanding agent in the manufacture of thermosetting polymers. A more particular subject-matter of the invention is compositions comprising 1,1,1,3,3-pentafluorobutane (365mfc), trans-1,2-dichloroethylene and at least one nonflammable hydrofluorocarbon and their use.
摘要:
The invention relates to a hydrofluorocarbon (HFC)-based composition, to the use thereof in refrigeration and/or air conditioning and to a heat-transfer system containing same.