A gas barrier film includes a resin substrate and an oxygen barrier coating film in contact with a first surface of the resin substrate. The resin substrate includes two or more resin layers including a base layer. Of the two or more resin layers, a resin layer forming the first surface of the resin substrate does not contain an anti-blocking agent.

A composition for forming a protective film against basic aqueous hydrogen peroxide solution, including a crosslinker having, in one molecule, two or more groups at least one selected from the group consisting of a glycidyl group, a terminal epoxy group, an epoxycyclopentyl group, an epoxycyclohexyl group, an oxetanyl group, a vinyl ether group, an isocyanate group, and a blocked isocyanate, a compound having a group of Formula (1): ##STR00001## (wherein X.sup.1 is a substituent reacting with the crosslinker, R.sup.0 is a direct bond or a C.sub.1-2 alkylene group, X.sup.2 is a C.sub.1-2 alkyl group, C.sub.1-2 alkoxy group, or fluoro group, a is an integer of 0-2, b is an integer of 1-3, c is an integer of 0-4, and b and c satisfy a relational expression of 1≤(b+c)≤5) on a side chain or a terminal and having a weight average molecular weight of 800 or more, and an organic solvent.

The present invention provides a blocked polyisocyanate composition comprising a blocked polyisocyanate formed through blocking at least a part of isocyanate groups possessed by a polyisocyanate derived from one or two or more diisocyanates selected from the group consisting of an aliphatic diisocyanate and an alicyclic diisocyanate with an active methylene-based compound comprising a malonic acid diester, wherein a specific molar ratio calculated from contents (mol %) of isocyanurate groups, iminooxadiazinedione groups, uretdione groups, and allophanate groups is 0.05 or more and 0.60 or less.

Thermoplastic polyurethane (TPU) compositions, methods for producing TPU compositions, methods of using TPU compositions, and apparatuses produced therefrom are disclosed. Disclosed TPU compositions include a thermoplastic polyurethane polymer, a heat stabilizer, a flow agent, and a filler material. The filler may be a glass fiber. Disclosed TPU compositions have improved thermal stability and improved flow properties suitable for injection molding of articles of manufacture having a large plurality of fine openings or pores. Articles produced from the composition have superior thermal stability, abrasion resistance, and chemical resistance. Example articles include screening members for vibratory screening machines. Further embodiments include compositions without heat stabilizers, flow agents, and filler materials, and compositions in which two TPU materials having different harnesses are combined to generate a material with a pre-determined hardness. Injection molded screen elements having openings from 25 to 150 microns and open screening area from 10% to 35% are disclosed.

There are provided ester polyols prepared from the esterification of ozone acids and branched primary polyols. There are also provided ester polyol esters prepared from an ester polyol of the invention and further esterifying the ester polyol with at least one carboxylic acid to produce at least one ester polyol ester. There are also provided rigid or flexible foams prepared using the ester polyols and/or ester polyol esters of the invention. There is also provided a coating prepared from the ester polyols and/or ester polyols esters of the invention.

A photo-curable composition includes a blocked isocyanate represented by the general formula (1):

A-B-C(1)

(wherein, in the formula (1), A and C each independently represent a group represented by the formula (2) below, and B represents a group represented by the formula (3) below:

##STR00001##

wherein, in the formula (2), R.sub.1 represents a hydrogen atom or a methyl group, R.sub.2 represents a hydrocarbon group which may have a substituent, and L.sub.1 represents a divalent hydrocarbon group; and in the formula (3), R.sub.3, R.sub.4, and R.sub.5 each independently represent a divalent hydrocarbon group which may have a substituent, 1a+b50).

A resin composition is provided that contains a urethane resin and a smectite with partially immobilized lithium.

The present invention relates to a pigmented aqueous basecoat material comprising a polyether-based reaction product which is preparable by reaction of (a) at least one compound of the formula (I)
X.sub.1YX.sub.2(I)
in which
X.sub.1 and X.sub.2, independently of one another, are each a functional group which is reactive toward hydroxyl groups, and Y is a divalent aliphatic or araliphatic, carboxy-functional organic radical having a number-average molecular weight of 100 to 1000 g/mol,
with
(b) at least one polyether of the general structural formula (II) ##STR00001##
in which
R is a C.sub.3 to C.sub.6 alkylene radical and n is selected accordingly such that the polyether (b) possesses a number-average molecular weight of 200 to 4000 g/mol, where components (a) and (b) are used in the reaction in a molar ratio of 0.7/2.3 to 1.6/1.7 and the resulting reaction product possesses a number-average molecular weight of 500 to 15 000 g/mol and an acid number of 10 to 120 mg KOH/g.

An object of the present invention is to provide a laminated polyester film that has good adhesion to an UV-curable resin, particularly has excellent adhesion to a coating agent such as an UV-curable ink, and has an excellent property to keep the adhesion at a high level over a long period of time. A laminated polyester film comprising: a polyester film; and a coating layer on at least one surface of the polyester film, the coating layer comprising a composition containing a polyurethane resin having a carboxyl group and having an acid value of 30 to 50 mgKOH/g and a crosslinking agent having a carboxyl group and having an acid value of 30 to 50 mgKOH/g.

In a laminate film 1 including a substrate 2, a polyurethane layer 3 formed on the substrate 2, and a metal vapor deposition layer 4 formed on the polyurethane layer 3, a coating liquid is applied on the substrate 2 and dried to produce the polyurethane layer 3. The coating liquid contains a water dispersible polyisocyanate and a polyurethane dispersion containing polyurethane resin produced by reaction of an isocyanate group-terminated prepolymer with a chain extender. The isocyanate group-terminated prepolymer is produced by reaction of a polyisocyanate component including xylylene diisocyanate and/or hydrogenated xylylene diisocyanate and a polyol component including diol having 2 to 6 carbon atoms and an active hydrogen group-containing compound containing a hydrophilic group.