A molding thermal expansion structure includes a thermoplastic material and a thermal expansion material, wherein the thermoplastic material is 50 wt % to 90 wt % based on a weight of the molding thermal expansion structure; the thermal expansion material is 50 wt % to 10 wt % based on a weight of the molding thermal expansion structure; wherein, the thermal expansion material is expanded from a foaming original material through a pre-foaming process; the thermoplastic material and the thermal expansion material are mixed to form a mixed material; the mixed material is thermally expanded to form a thermal expansion structure in a molding apparatus. The molding thermal expansion structure provided in the present invention could satisfy various needs of light-weighted products. A molding method of the thermal expansion structure is also provided herein.

This disclosure are methods for recycling disposable products, and using the same to manufacture composite polyurethane materials such as, without limitation, composite polyurethane foams, composite polyurethane elastomers, and composite polyurethane casting resins.

A process comprising, consisting of, or consisting essentially of: forming a reaction mixture containing at least one polyisocyanate and an isocyanate-reactive compound comprising at least one alkoxylated triazine-arylhydroxy-aldehyde condensate composition wherein the alkoxylated triazine-arylhydroxy-aldehyde condensate composition is a reaction product of a triazine-arylhydroxy-aldehyde condensate and at least one alkylene carbonate, is disclosed.

The present invention relates to polyurethane based solid surface materials with improved dimensional stability which can be made using conventional inorganic fillers without pre-treatment of the fillers.

The invention relates to a polymer composition based on thermoplastic copolyester elastomer comprising: —from 90% to 70% by weight of the thermoplastic copolyester elastomer containing ester and ether bonds; —from 5% to 25% by weight of one or more saturated esters with a molecular weight between about 200 and 1,000, and preferably between 300 and 380; —from 2 to 10% by weight of expanding additives. This invention also covers a manufactured article obtained by injection moulding a predefined amount of the polymer composition according to this invention, as well as a production process of such polymer composition.

An alkoxylated bio-oil composition is provided. The alkoxylated bio-oil composition may include an alkoxylated bio-oil prepared from an alkoxylation of dewatered bio-oil. A method for preparing an alkoxylated bio-oil composition is provided. A copolymer composition is provided. The copolymer composition may include an alkoxylated bio-oil copolymer unit. A method for preparing a copolymer composition is provided.

The present invention provides a spherical powder having properties, such as an excellent strength, toughness, and deformation recovery, and provides a method for producing same. The present invention provides: a spherical powder containing a crosslinked body formed having (A) a polyrotaxane in which both ends of a pseudopolyrotaxane, which are formed by inclusion of the opening of a cyclic molecule by threading therethrough with a linear molecule, are provided with a capping group so that dethreading of the linear molecule is prevented, in particular, a spherical powder having an average particle diameter of 0.5 to 1,000 m, preferably 1 to 500 m, more preferably 1 to 300 m, and still more preferably 1 to 150 m; and a method for producing this spherical powder.

Resins for improved flow in injection molding, molded articles made from the same, and methods of using the same. A molded article formed from a polymer feed includes nylon-6,6. The molded article also includes a thin elongated profile including a thickness of up to 1.5 mm and a flow length of at least 25 cm. An absolute value of RV of the molded article as compared to the polymer feed is from 0 to 5, the RV determined according to ASTM D789.

An aromatic liquid crystal polyester containing repeating structural units represented by formulas (A1), (B), (C) and (D) shown below.

OAr1CO(A1)

COAr2CO(B)

OAr3O(C)

OAr4O(D)

(In the formulas, Ar1 represents a 2,6-naphthalene group, Art represents at least one group selected from the group consisting of a 2,6-naphthalenediyl group, 1,4-phe vlene group, 1,3-phenvIene group and 4,4-biphenylene group, Ar3 represents at least one group selected from the group consisting of a 2, mphthalenediyl group, 1,6-naphthalenediyl group and 1,5-naphthalenediyl group, Ar4 represents at least one group selected from the group consisting of a 2,6-naphthalenediyl group, 1,4-phenylene group, 1,3-phenylene group and 4,4-hiphenylene group, and each of the groups represented by Ar1, Ar3 or Ar4 may have a halogen atom, an alkyl group of 1 to 10 carbon atoms Of alt aryl group of 6 to 20 carbon atoms as a substituent.)

The present invention relates to a reaction mixture including one or more polyfunctional isocyanates such that the average isocyanate functionality of the mixture is greater than 2.1, and a catalyst composition including at least one trimerization catalyst and at least one epoxide group; and curing the reaction mixture to give a cured polymer composition made up of the reaction product of isocyanates with themselves.