摘要:
The invention provides a method for protecting the surface of various kinds of shaped articles made of an organic polymeric material such as rubbers, leathers, woods, plastics and the like against weathering caused by exposure to ultraviolet light, ozone, moisture, etc. The method comprises providing the surface with a coating layer of a specific organopolysiloxane composed of difunctional, tetrafunctional and nonofunctional siloxane units in a limited molar proportion of 50-85%, 10-30% and 5-20%, respectively.
摘要:
The present invention relates to a process for leather edge painting. More particularly, the present invention relates to the process [200] wherein the liquid edge paint is converted to solid colour sticker film [205]. More particularly, the present invention relates to the process wherein the liquid edge paint is converted to solid colour sticker film on a transparent film [205], and transferring [207] from the transparent paper to the edges of a substrate material. Further, the process of the present invention provides liquid edge paint transferred to the substrate edge for one or more applications.
摘要:
A method for producing a molded body having the following steps: a) providing a foil ply; b) applying a plastic molding compound in a predefined three-dimensional shape onto the foil ply by means of a three-dimensional printing method.
摘要:
Organopolysiloxane containing compositions are prepared by mixing an organopolysiloxane containing an aminoalkyl group, an organopolysiloxane containing a fluoroalkyl group, and optionally, organopolysiloxanes containing alkyl groups, together with water, or a water/acid mixture, or a water/acid/alcohol mixture, where the mixture is adjusted to have a pH in the range of 1-8, then removing the alcohol already present or formed during reaction.
摘要:
An aqueous organopolysiloxane-containing composition comprising organopolysiloxanes of formula I: HO�Si(A) (CH.sub.3).sub.z (OH).sub.1-z O!.sub.a �Si(B) (R.sup.2).sub.y (OH).sub.1-y O!.sub.b �Si(C) (CH.sub.3)O!.sub.c �Si(D) (OH)O!.sub.d H.multidot.(HX).sub.e (I), wherein A is an aminoalkyl group of formula II: H.sub.2 N(CH.sub.2).sub.f (NH).sub.g (CH.sub.2).sub.h Si(OR).sub.3-z (CH.sub.3).sub.z (II), in which 0.ltorsim.f.ltorsim.6, g=0 if f=0 and g=1 if f>0, 0.ltorsim.h.ltorsim.6 and 0.ltorsim.z.ltorsim.1; B is a fluoroalkyl group of formula III: R.sup.1 --Y--(CH.sub.2).sub.2 Si(R.sup.2)y(OR).sub.3-y (III), wherein R.sup.1 is a mono-, oligo- or perfluorinated alkyl group having 1-9 C atoms, or a mono-, oligo- or perfluorinated aryl group, Y is a CH.sub.2, O or S group, R.sup.2 is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group and 0.ltorsim.y.ltorsim.1; C is an alkyl group of formula IV: R.sup.3 --Si(CH.sub.3) (OR).sub.2 (IV), and D is an alkyl group of formula V: R.sup.3 --Si(OR).sub.3 (V), wherein R.sup.3, in each case is identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms, and R, in each case is identical or different, and is a linear, branched or cyclic alkyl group having 1-8 C atoms or an aryl group; and HX is an acid, in which X is an inorganic or organic acid radical, and 0.ltorsim.y.ltorsim.1, 0.ltorsim.z.ltorsim.1, a>0, b>0, c.gtorsim.0, d.gtorsim.0, e.gtorsim.0 and (a+b+c+d).gtorsim.2, the composition being essentially free from organic solvents, having a flash point of more than 70.degree. C. and liberating essentially no alcohols by hydrolysis on dilution with water.