A polyester resin composition for injection molding, a method for manufacturing the same, and an injection molded product using the same are provided. An inherent viscosity (IV) of the polyester resin composition is between 0.5 dL/g and 0.85 dL/g. The polyester resin composition, based on a total weight thereof being 100 wt %, includes: 50 wt % to 80 wt % of virgin polyester chips and 20 wt % to 50 wt % of modified recycled polyester chips. The modified recycled polyester chips include 65 wt % to 72 wt % of terephthalic acid, 28 wt % to 31 wt % of ethylene glycol, and 0.1 wt % to 5 wt % of isophthalic acid.

A polyester resin composition for injection molding, a method for manufacturing the same, and an injection molded product using the same are provided. An inherent viscosity (IV) of the polyester resin composition is between 0.5 dL/g and 0.85 dL/g. The polyester resin composition, based on a total weight thereof being 100 wt %, includes: 50 wt % to 80 wt % of virgin polyester chips and 20 wt % to 50 wt % of modified recycled polyester chips. The modified recycled polyester chips include 65 wt % to 72 wt % of terephthalic acid, 28 wt % to 31 wt % of ethylene glycol, and 0.1 wt % to 5 wt % of isophthalic acid.

A polyester resin composition for injection molding, a method for manufacturing the same, and an injection molded product using the same are provided. An inherent viscosity (IV) of the polyester resin composition is between 0.5 dL/g and 0.85 dL/g. The polyester resin composition, based on a total weight thereof being 100 wt %, includes: 50 wt % to 80 wt % of virgin polyester chips and 20 wt % to 50 wt % of modified recycled polyester chips. The modified recycled polyester chips include 65 wt % to 72 wt % of terephthalic acid, 28 wt % to 31 wt % of ethylene glycol, and 0.1 wt % to 5 wt % of isophthalic acid.

A liquid crystal polyester resin composition containing 100 parts by mass of a liquid crystal polyester resin; and at least 10 parts by mass and at most 100 parts by mass of glass components; wherein the glass components contain glass fibers having a length of more than 30 μm and glass fine powders having a length of at least 4 μm and at most 30 μm; the number-average fiber length of the glass fibers is at least 50 μm and at most 200 μm; and the content of the fine powders is at least 50% and at most 95% relative to a total number of the glass components.

A liquid crystal polyester resin composition containing 100 parts by mass of a liquid crystal polyester resin; and at least 10 parts by mass and at most 100 parts by mass of glass components; wherein the glass components contain glass fibers having a length of more than 30 μm and glass fine powders having a length of at least 4 μm and at most 30 μm; the number-average fiber length of the glass fibers is at least 50 μm and at most 200 μm; and the content of the fine powders is at least 50% and at most 95% relative to a total number of the glass components.

A polymer composition that comprises from about 50 wt. % to about 90 wt. % of a polymer matrix and from about 10 wt. % to about 50 wt. % of silica particles is provided. The polymer matrix includes a liquid crystalline polymer containing repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 15 mol. % or less of the polymer. The silica particles have a median particle size of about 4 micrometers or less. The polymer composition exhibits a tensile modulus of 11,000 MPa or more as determined in accordance with ISO Test No. 527:2019.

A polymer composition that comprises from about 50 wt. % to about 90 wt. % of a polymer matrix and from about 10 wt. % to about 50 wt. % of silica particles is provided. The polymer matrix includes a liquid crystalline polymer containing repeating units derived from naphthenic hydroxycarboxylic and/or dicarboxylic acids in an amount of about 15 mol. % or less of the polymer. The silica particles have a median particle size of about 4 micrometers or less. The polymer composition exhibits a tensile modulus of 11,000 MPa or more as determined in accordance with ISO Test No. 527:2019.

To provide an aqueous ink having excellent ejection stability and capable of recording an image having excellent abrasion resistance and the like. An aqueous ink for ink jet containing a resin particle, in which the resin particle is formed of a first resin and a second resin, each having a carboxylic acid group, the first resin is a polyester resin not having a crosslinked structure, the second resin is at least one of a polyester resin and an acrylic resin having a crosslinked structure, and the crosslinked structure of the first resin and the second resin is an alkylene oxide group having a repetition number of 1 to 9.

To provide an aqueous ink having excellent ejection stability and capable of recording an image having excellent abrasion resistance and the like. An aqueous ink for ink jet containing a resin particle, in which the resin particle is formed of a first resin and a second resin, each having a carboxylic acid group, the first resin is a polyester resin not having a crosslinked structure, the second resin is at least one of a polyester resin and an acrylic resin having a crosslinked structure, and the crosslinked structure of the first resin and the second resin is an alkylene oxide group having a repetition number of 1 to 9.

Uncured aqueous composition comprising a blend of (a) a sulfonated polyester, (b) at least one of a self-crosslinking acrylic or a self-crosslinking polyurethane binder, and (c) melamine-formaldehyde crosslinker, wherein the uncured aqueous composition has a free-formaldehyde content not greater than 0.04 part per million formaldehyde as determined by the Formaldehyde Test, and cured composition thereof. Compositions described herein are useful, for example, for making primed film for release liners applications.