摘要:
A polymeric composition comprising: a reaction product (c) produced by reacting an organic silane compound (a) represented by the formula: R4-n-Si-(OR')n [wherein R represents an organic group containing an amino group; R' represents a methyl group, an ethyl group or a propyl group; and n represents an integer selected from 1 to 3] with at least one boron compound (b) selected from the group consisting of H3BO3 and B2O3; and a condensation product (d) of a metal alkoxide.
摘要:
Novel liquid polymeric compounds of the formula (I) wherein the general symbols are as defined in claim 1, are disclosed as stabilizers for protecting organic materials against oxidative, thermal or light-induced degradation.
摘要:
The epoxy resin of the invention comprises (A) an epoxy resin, (B) at least one member selected from the group consisting of a phenolic hydroxyl group-containng compound, a urea resin and a melamine resin, (C) a crosslinked phenoxyphosphazene compound, and (D) an inorganic filler powder, the amount of component (C) being in the range of 0.01 to 30 wt.% based on the total amount of components (A), (B) and (C), and the amount of component (D) being in the range of 60 to 98 wt.% based on the total amount of components (A), (B), (C) and (D). Wherein the inorganic filler is a pyrogenically produced silica, which has been hydrophobized with Hexamethyldisilazane (HMDS) and then structurally modified by a ball mill.
摘要:
Novel liquid polymeric compounds of the formula (I) wherein the general symbols are as defined in claim 1, are disclosed as stabilizers for protecting organic materials against oxidative, thermal or light-induced degradation.
摘要:
A silicone resin containing boron, aluminum, and/or titanium, and having silicon-bonded branched alkoxy groups; a silicone composition containing a silicone resin; and a method of preparing a coated substrate comprising applying a silicone composition on a substrate to form a film and pyrolyzing the silicone resin of the film.
摘要:
This invention relates to a slow and controlled-release polymeric fertilizer with multiple nutrients having the following general formula :
wherein n, m and M are defined in the description. The polymeric fertilizer of this invention is an environment-friendly slow and controlled-release fertilizer. Its slow and controlled release action lies in self-degradation and hydrolysis. This invention also relates to the preparing process for the fertilizer and the use method of the fertilizer in agriculture.
摘要:
A method for producing a polymeric material comprises reacting a first reactant with a second reactant. The first reactant comprises anhydrous phosphorous pentoxide and the second reactant comprises an alcohol. A method for producing a polymeric salt material comprises reacting a first reactant comprising an amine with a second reactant comprising a phosphate ester.