C08J2355/02

Stainable thermoformable sheets, compositions, and methods of manufacture
12065552 · 2024-08-20 · ·

The present disclosure describes thermoformable sheets capable of retaining an absorbing stain, pigmented sealer or clear sealer. The unique resin binder formulations and products include porosity-promoting agents that result in the resin binder having a porous surface capable of being stained, while still having the favorable properties of traditional Thermofoil products. The methods of the invention produce a Thermofoil product that can be stained with a variety of stains and colorants after manufacturing to suit the individual builder's or homeowner's preference.

Actinic-ray-curable coating composition, cured coating film, coated article, and method for forming coating film
12060494 · 2024-08-13 · ·

An active energy ray-curable coating composition, includes the following components (A), (B), (C), and (D): (A) urethane (meth)acrylate having a polycarbonate skeleton and three or more polymerizable unsaturated groups in one molecule and having a weight average molecular weight in a range of 10,000 to 40,000; (B) urethane (meth)acrylate having a weight average molecular weight in a range of 1,000 or more and less than 10,000; (C) at least one compound selected from the group consisting of (c1) to (c3); and (D) a photopolymerization initiator.

Compositions comprising 1,2-dichloro-1,2-difluoroethylene for use in foam blowing applications

This invention relates to compositions comprising 1,2-dichloro-1,2-difluoroethylene (i.e., CFO-1112) and an additional component. The compositions described herein may be useful, for example, in foam blowing applications.

Antibacterial-coated product, antibacterial coating material, method for manufacturing antibacterial coating material, and method for manufacturing antibacterial-coated product

An antibacterial coated product includes, on a base material, a coating film of an antibacterial coating material that contains at least composite ceramic powders containing a photocatalytic component, adsorbent component, and metal component, and a binder, wherein the antibacterial activity (JIS Z 2801: 2010) of the coating film is 2.0 or higher and the requirement(s) of (1) and/or (2) below is/are satisfied: (1) with respect to the composite ceramic powder in the antibacterial coating material, the volume average dispersed particle diameter (D.sub.50) is 250 nm or smaller, and the ratio of the 90% cumulative volume particle diameter (D.sub.90) and the volume average dispersed particle diameter (D.sub.50), or D.sub.90/D.sub.50, is 1.5 or lower; and (2) the thickness of the coating film is 80 ?m or smaller and the haze (JIS K 7136: 2000) of the antibacterial coated product or coating film is 25 or lower.

Fluorinated Compounds Useful As Foam Expansion Agents
20180334547 · 2018-11-22 ·

The present application discloses compositions comprising i) a foam blowing component; and ii) a polymer component, and more particularly to compositions comprising a i) foam blowing component comprising a hydrofluoroolefin (i.e., HFO), a hydrofluorocarbon (i.e., HFC), or any mixture thereof; and ii) a polymer component which is selected from polystyrene and acrylonitrile butadiene styrene.

Metal gloss design member

To provide a metal gloss design member provided with a light reflection film such as a silver thin film having satisfactory weather resistance even in outdoor use. A silver coating film 10 provided at least with a silver thin film 14 and with a topcoat layer 16 formed on the outer side in the stacking direction relative to the silver thin film 14 is formed on a substrate 3 and then the topcoat layer 16 has ultraviolet absorbability.

THERMALLY CONDUCTIVE POLYMER RESIN COMPOSITION BASED ON STYRENICS WITH LOW DENSITY

Thermally conductive polymer (TCP) resin compositions are described, comprising components (X) and (Y): 90 to 99.9% component (X) comprising components (I) and (II): 60 to 85% matrix polymer (I) comprising styrenic polymers (F) selected from: ABS resins, ASA resins, and elastomeric block copolymers of the structure (S(B/S)).sub.nS; 15 to 40% thermally conductive filler material (II) (D.sub.50 1 to 200 ), consisting of a ceramic material and/or graphite; 0.1 to 10% chemical foaming agent (Y). Shaped articles made thereof can be used for automotive applications, as a heat sink for high performance electronics, LED sockets or electrical and electronic housings.

Method for producing polymer nanofoam

A method for producing a polymer nanofoam includes: immersing a polymer material in carbon dioxide at a pressure greater than 5 MPa and a temperature of 30 C. to 40 C. to obtain a carbon dioxide-saturated polymer material, wherein the melt index of the polymer material measured at 230 C. and 3.8 kg is between 0.1 g/10 min and 8.0 g/10 min. Thereafter, the carbon dioxide-saturated polymer material is depressurized to atmospheric pressure, and then the carbon dioxide-saturated polymer material is heated to form the polymer nanofoam.

Method to start-up a process to make non-expandable vinyl aromatic polymers

The present invention is a method to start-up a process to make expandable vinyl aromatic polymer pellets comprising, a) providing a pelletizer (S) containing means to introduce the molten vinyl aromatic polymer comprising the expandable agent and optionally additives, a die plate having a plurality of holes of small diameter, typically in the range 0.8 to 1.6 mm and cutting means to make pellets, b) providing a pelletizer (L) containing means to introduce the molten vinyl aromatic polymer comprising the expandable agent and optionally additives, a die plate having a plurality of holes of large diameter, typically in the range 3 to 5 mm and cutting means to make pellets, c) sending the expandable vinyl aromatic polymer pellets comprising an expandable agent and optionally additives to the pelletizer (L) until the polymer flow rate is in the operating range of the pelletizer (S) and provided the proportion of expandable agent and optional additives are in the specifications, d) switching the molten vinyl aromatic polymer stream comprising the expandable agent and optionally additives to the pelletizer (S) and operating said pelletizer (S) at conditions effective to produce expandable vinyl aromatic polymer pellets, e) recovering from pelletizer (S) the expandable vinyl aromatic polymer pellets, f) recovering the pellets produced at step c) for optional subsequent recycling in the molten state at step d). In another embodiment while the pelletizer (S) is in production and troubles happen in the introduction of the expanding agent and/or the optional additives or in any equipment or even an equipment needs maintenance the production is switched from the pelletizer (S) to one or more pelletizers (L). When the troubles are over, the production is switched from the pelletizer (L) to the pelletizer (S). In an embodiment while the pelletizer (S) is in production the die plate of the pelletizer (L) having a plurality of holes of large diameter is removed and replaced by a die plate having a plurality of holes of small diameter to convert said pelletizer (L) into a pelletizer (S) capable to produce expandable vinyl aromatic polymer pellets. By way of example said established pelletizer (S) is used during maintenance of the other pelletizer (S).

PLASTIC REFERENCE MATERIAL AND MANUFACTURING METHOD THEREOF

Disclosed is to provide a plastic reference material and a manufacturing method thereof. The plastic reference material made by dispersing at least one chemical substance in a plastic substrate, and used for analyzing a concentration of the chemical substance, wherein the plastic reference material is of a granular shape and includes an average value for each maximum diameter of fifty or more of the plastic reference materials being within a range of 0.1 mm to 1.0 mm, and a largest difference between the maximum diameters and the average value being equal to or less than 0.2 mm, and an average value of each weight of equal to or more than fifty plastic reference materials being within a range of 0.1 mg to 0.5 mg, and a largest difference between the weights and the average value being equal to or less than 0.1 mg.