A water-soluble silicone defoaming agent composition is provided. The composition can be uniformly solubilized with regard to an aqueous phase, is free of volatile organic compounds (VOC) as defined by the WHO, and has excellent defoaming properties and storage stability. A water-based paint additive and water-based paint using the same are also provided. The water-soluble silicone defoaming agent composition comprises: (A) polyether-modified silicone, polyglycerin-modified silicone, or a mixture thereof, in which the average value of HLB is within a range of 0.5 to 5.0; (B) one or more types selected from triethylene glycol mono-n-butyl ether and triethylene glycol butyl methyl ether; and (C) water.

A new type of defoliant and the application thereof, specifically the application of a polyether compound in the preparation of defoliant, belonging to the technical field of pesticides. At least one of the polyether compound shown in Formula I (R.sub.1O(CH.sub.2CHOH).sub.nR.sub.2) or salts thereof is used for preparation of defoliants or defoliation synergists, wherein, the R.sub.1 is a hydrocarbyl or a phenolic group; the R.sub.2 is —H, —O(CH.sub.2CHOH).sub.mH or —O(CH.sub.2CH.sub.2CHOH).sub.mH; the n is 1-50, and m is 1-50. The compound is a new defoliant featured with low cost, convenient usage and favorable defoliation effect, and it is safe for the environment.

The present invention is directed to moulding compounds comprising polyarylene ether ketones and glass particles, with the glass particles being broken, irregularly shaped particles.

The present invention is directed to moulding compounds comprising polyarylene ether ketones and glass particles, with the glass particles being broken, irregularly shaped particles.

Disclosed is a composition including at least one polymer, wherein the polymer is in the form of a powder, and wherein the polymer includes at least one thermoplastic polymer. The thermoplastic polymer is selected from at least one polyaryletherketone and/or a copolymer and/or a block-copolymer and/or a polymer blend thereof, wherein the composition has a melt volume rate (MVR) of at least 5 cm.sup.3/10 min and a process of manufacturing and a use thereof. Also disclosed are a process for the manufacture of a construction element and the construction element thereof.

A substantially biobased prepolymer mixture including 31.80 to 67.95 percent biogenic carbon content by weight, wherein the mixture is a combination of: an isocyanate; and a cleaned biobased polyoxyalkylene glycol polyol, wherein the cleaned biobased polyoxyalkylene glycol polyol is completely primary hydroxyl-tipped or primary hydroxyl end-grouped, further wherein said cleaned biobased polyoxyalkylene glycol polyol is polymerized from 100% biobased ethylene oxide, further wherein the cleaned biobased polyoxyalkylene glycol polyol comprises less than 15 ppm sodium and potassium metals, and further wherein the cleaned biobased polyoxyalkylene glycol polyol comprises less than 0.5% water by weight.

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.

This invention provides a polymer, which is preferably a polyether polymer. The polymer may be uses in coating compositions. Containers and other articles comprising the polymer and methods of making such containers and other articles are also provided. The invention further provides compositions including the polymer (e.g., powder coatings), which have utility in a variety of coating end uses, including, for example, valve and pipe coatings.

The objective of the present invention is to provide a polyarylketone resin composition, a fiber-reinforced resin base material, and formed products therefrom having excellent thermal stability and mechanical properties. In order to achieve the above objective, the present invention has the following constitution. That is, the polyaryletherketone resin composition comprises (A) a polyaryletherketone and (B) a transition metal compound, wherein the transition metal content is between 0.001 parts by mass and 4 parts by mass inclusive with respect to 100 parts by mass of (A) the polyaryletherketone.