B32B2307/738

Laminated metal sheet for metal container lid and method for manufacturing the same

A laminated metal sheet for a metal container lid includes a polyester resin layer formed on a metal sheet. The polyester resin layer is composed of an A and a B layer, wherein the melting point of the A layer is lower than the melting point of the B layer by 20° C. or more, the A layer includes a molten layer where the value of the ratio of a peak intensity I.sub.0° to a peak intensity I.sub.90° is 1.5 or less, the B layer includes an orientation layer where the value of the ratio of the peak intensity I.sub.0° to the peak intensity I.sub.90° is 3.0 or more, the thickness of the A layer is within the range from 5 μm or more to less than 30 μm, and the thickness of the B layer is within the range from 0.5 μm or more to less than 6.0 μm.

ACRYLIC RESIN FILM AND PRODUCTION METHOD THEREFOR

A resin film comprising a multilayer structure acrylic polymer and the film having an acid value of not more than 0.018 mmol/g in an acetone insoluble matter, an acid value of not more than 0.012 mmol/g in an acetone soluble matter, a glass transition temperature of not less than 80° C. and a thickness of 5 to 300 μm is obtained by a method comprising emulsion polymerization for producing a latex comprising multilayer structure acrylic polymer, coagulating the latex comprising the multilayer structure acrylic polymer to obtain a slurry, washing and dehydrating the slurry, drying the dehydrated slurry to remove the multilayer structure acrylic polymer, mixing 0 to 35% by mass of an acrylic resin and 65 to 100% by mass of the removed multilayer structure acrylic polymer and subjecting the resultant mixture melted to an extrusion molding.

COMPOSITE PANELS AND PARTS
20220379593 · 2022-12-01 ·

The disclosed composite structure provides a reinforced thermoplastic polymer composite part with a high-quality surface finish. This may be used as a vehicle part or body panel, such as an interior vehicle part or exterior body panel. Additionally, the surface finish may be coloured, such that the surface does not need to be painted or wrapped to achieve a desired surface colour, and the surface may protect inner layers from UV radiation, either by virtue of the material of the surface itself, or the incorporation of a UV-absorbing additive. Specifically, the disclosed composite structure comprises a structural layer comprising reinforcing fibres, such as glass or carbon fibres, and a thermoplastic body polymer. The structure further comprises a surface layer providing a surface finish to the composite structure, the surface layer comprising a thermoplastic surface polymer substantially free from reinforcing fibres.

GLYCOLIC ACID POLYMER

The invention pertains to an improved branched glycolic acid polymer being obtained from polycondensation reaction of a monomer mixture comprising: (i) glycolic acid (GA); (ii) optionally, at least one hydroxyacid having only one hydroxyl group and only one carboxylic acid group different from GA [hydroxyacid (A)], wherein the molar amount of hydroxyacid (A) is of at most 5% moles with respect to the sum of moles of GA and hydroxyacid (A); (iii) at least one polyol comprising at least three hydroxyl groups and being free from carboxylic acid group [polyol (H)]; (iv) at least one alcohol comprising one or two hydroxyl groups and being free from carboxylic acid group [alcohol (AO)]; (v) optionally at least one carboxylic acid comprising one carboxylic acid group and being free from hydroxyl group [monoacid (C)]; and (vi) optionally at least one polyacid comprising at least two carboxylic acid groups and being free from hydroxyl groups [polyacid (O)], wherein the amount of polyacid (O) is such that the number of carboxylic acid groups thereof is comprised between 0.025 and 0.900% with respect to the overall number of hydroxyl groups of glycolid acid and of the hydroxyacid (A), if present.

Alternative Subprocess for Taping Wrapped Silicon Hoses and Hose Manufactured Thereby

A hose includes an outer cover layer and at least one ply disposed inward from the outer cover layer, characterized in that the outer cover layer is a shrink sleeve, and where the at least one ply is formed from a reinforced silicone rubber sheet which includes a reinforcement. The hose may further include an inner layer disposed within the at least one ply, and which defines a lumen. The shrink sleeve may be a polyolefin shrink sleeve. The layers are tensioned together with the shrink sleeve. The hose may be prepared by a shrink tension method without the use of a tape wrap. A method of preparing the above hose may include wrapping the inner layer around a mandrel, wrapping the at least one at least one ply around the inner layer, pulling the shrink sleeve over the at least one at least one ply, and vulcanizing the hose.

MULTILAYER COMPOSITE ARTICLE

The present disclosure relates to a composite article that may include a structural substrate, a multilayer fluoropolymer film that can include a high-melt fluoropolymer layer and a low-melt fluoropolymer adhesion layer that may contact the structural substrate and the fluoropolymer film. The high-melt fluoropolymer layer may have a melting temperature A1 and the low-melt fluoropolymer adhesive layer may have a melting temperature A2. The melting temperature A2 may be less than the melting temperature A1.

Decorative film and method for producing decorative molded body using same

This decorative film is to be bonded to a resin molded body by means of thermoforming, and comprises a sealing layer (I) that contains a polypropylene resin (A) and a layer (II) that contains a polypropylene resin (B). The polypropylene resin (A) satisfies the requirement (a1), while the polypropylene resin (B) satisfies the requirement (b1). (a1) The melt flow rate (MFR (A)) (at 230° C. under a load of 2.16 kg) is more than 0.5 g/10 minutes. (b1) The melt flow rate (MFR (B)) (at 230° C. under a load of 2.16 kg) and the MFR (A) satisfy relational expression (b-1). MFR (B)<MFR (A) (b-1).

Ovenable package

An ovenable tray composite comprises a polymeric based liner and a fiber based component. The polymeric based liner incorporates polyolefin materials for performance in both adhesion (during use) and separation (for disposal) from the fiber based component, as well as high temperature resistant polymers that allow for the entire tray composite to be ovenable. Packages made from the lined trays described herein can be used for packaging food items intended to be heated for cooking or reheating the contents.

COVER STRUCTURE AND METHOD FOR PRODUCING A COVER STRUCTURE
20230057297 · 2023-02-23 ·

The invention relates to a cover structure the SMC main body of which is simultaneously pressed and bonded with two additional layers in a bonding press.

Laminated substrate and method for manufacturing the same

A laminated substrate obtained by laminating a carbon fiber reinforced resin substrate (a) containing a carbon fiber and a thermoplastic resin fiber and a glass fiber reinforced resin substrate (B) containing a glass fiber and a thermoplastic resin, wherein a content of the carbon fiber in the carbon fiber reinforced resin substrate (a) is 20% by mass or more and less than 100% by mass with respect to a total mass of the carbon fiber reinforced resin substrate (a), and the carbon fiber reinforced resin substrate (a) has an elongation percentage of from 20% to 150% at a maximum load point in a MD direction at a temperature of a melting point of a resin constituting the thermoplastic resin fiber+20° C., an elongation percentage of from 20% to 150% at a maximum load point in a TD direction, and a tensile stress of 1.0×10.sup.−3 to 1.0×10.sup.−1 MPa.