B29C48/36

THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE INCLUDING THE SAME
20230111455 · 2023-04-13 ·

The present invention relates to a thermoplastic resin composition, a method of preparing the same and a molded article including the same. More particularly, the thermoplastic resin composition includes a polycarbonate resin having a limited melt flow index, a polyorganosiloxane-polycarbonate resin, a vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound copolymer, a polyester resin and an epoxy group-containing copolymer in predetermined weight ratios.

THERMOPLASTIC RESIN COMPOSITION, METHOD OF PREPARING THE SAME, AND MOLDED ARTICLE INCLUDING THE SAME
20230111455 · 2023-04-13 ·

The present invention relates to a thermoplastic resin composition, a method of preparing the same and a molded article including the same. More particularly, the thermoplastic resin composition includes a polycarbonate resin having a limited melt flow index, a polyorganosiloxane-polycarbonate resin, a vinyl cyanide compound-conjugated diene rubber-aromatic vinyl compound copolymer, a polyester resin and an epoxy group-containing copolymer in predetermined weight ratios.

Ethylene-based polymer, method of producing ethylene-based polymer, and film

Provided are an ethylene-based polymer capable of obtaining a film in which thickness unevenness is reduced, a method of producing the ethylene-based polymer, and a film containing the ethylene-based polymer. In the ethylene-based polymer according to the present invention, the following Expressions (1) and (2) are satisfied:
0.362≤ηL.sup.1,256%/ηL.sup.10%≤0.466  (1)
0.0282≤I5.sup.2,506%/I1.sup.2,506%≤0.0328  (2).

Ethylene-based polymer, method of producing ethylene-based polymer, and film

Provided are an ethylene-based polymer capable of obtaining a film in which thickness unevenness is reduced, a method of producing the ethylene-based polymer, and a film containing the ethylene-based polymer. In the ethylene-based polymer according to the present invention, the following Expressions (1) and (2) are satisfied:
0.362≤ηL.sup.1,256%/ηL.sup.10%≤0.466  (1)
0.0282≤I5.sup.2,506%/I1.sup.2,506%≤0.0328  (2).

Polyethylene terephthalate coloring systems and methods
11618973 · 2023-04-04 · ·

Method and system for manufacturing bulked continuous filament having tonal coloring from PET comprising: an extruder (202); a static mixing assembly (208) coupled to the extruder and comprising a housing and one or more individual static mixing elements disposed within the housing; the method and system further comprising a plurality of colorant ports along a length of the static mixing assembly such that each of the plurality of colorant ports is configured to provide colorant (204) to a polymer stream at a different location along the length of the static mixing assembly, and one or more spinning machines (212) positioned downstream of the static mixing assembly and coupled to the static mixing assembly to receive the colored polymer stream. The spinning machine(s) may be configured to form the colored polymer stream into bulked continuous carpet filament having a tonal color effect.

CONTINUOUS EXTRUDER PROCESS FOR MANUFACTURING RHEOLOGY-MODIFIED POLYOLEFIN FOR CABLE INSULATION LAYER
20230191660 · 2023-06-22 ·

Rheology-modified, additive-containing ethylenic polymer compositions are prepared in a continuously operated extruder comprising first, second and third zones by a process comprising the steps of: mixing in the second zone of the extruder an ethylenic polymer and a high-temperature decomposing peroxide at a temperature such that the half-life of the peroxide is equal to or greater than (≥) one minute and for a sufficient period of time to modify the rheology of the ethylenic polymer to produce a rheology-modified, melted ethylenic polymer for transfer to the third zone of the extruder; and adding to the third zone one or more additives to the rheology-modified, melted ethylenic polymer to produce the rheology-modified, additive-containing ethylenic polymer.

Bulked continuous carpet filament manufacturing from polytrimethylene terephthalate
11242622 · 2022-02-08 · ·

A method of manufacturing bulked continuous carpet filament from polytrimethylene terephthalate (PTT) with polyethylene terephthalate (PET) comprises: (1) splitting the PTT stream extruded from the primary extruder into a number of polymer streams, each of the plurality of polymer streams having an associated spinning machine; (2) adding a colorant to each split polymer stream; (3) adding PET to the extruded polymer stream downstream of the primary extruder; (4) using one or more static mixing assemblies for each split polymer stream to substantially uniformly mix each split polymer stream and its respective colorant and PET; and (5) spinning each polymer stream with its substantially uniformly mixed colorant and any additives into BCF using the respective spinning machine.

Process for fabricating a colored powder coating composition from solid filaments
11396112 · 2022-07-26 ·

A process for fabricating a powder coating composition having a desired color from solid input filaments. A plurality of solid input filaments is fed to a mixer in accordance with an input formulation for a color. The input filaments are liquefied at the mixer, and the liquefied input filaments are combined together in the mixer into an extrudate mixture. The extrudate mixture is removed from the mixer, solidified, and then the solidified extrudate mixture is milled into a powder.

ETHYLENE-BASED POLYMER, METHOD OF PRODUCING ETHYLENE-BASED POLYMER, AND FILM
20210403687 · 2021-12-30 ·

Provided are an ethylene-based polymer capable of obtaining a film in which thickness unevenness is reduced, a method of producing the ethylene-based polymer, and a film containing the ethylene-based polymer. In the ethylene-based polymer according to the present invention, the following Expressions (1) and (2) are satisfied:


0.362≤ηL.sup.1,256%/ηL.sup.10%≤0.466  (1)


0.0282≤I5.sup.2,506%/I1.sup.2,506%≤0.0328  (2)

ETHYLENE-BASED POLYMER, METHOD OF PRODUCING ETHYLENE-BASED POLYMER, AND FILM
20210403687 · 2021-12-30 ·

Provided are an ethylene-based polymer capable of obtaining a film in which thickness unevenness is reduced, a method of producing the ethylene-based polymer, and a film containing the ethylene-based polymer. In the ethylene-based polymer according to the present invention, the following Expressions (1) and (2) are satisfied:


0.362≤ηL.sup.1,256%/ηL.sup.10%≤0.466  (1)


0.0282≤I5.sup.2,506%/I1.sup.2,506%≤0.0328  (2)