C08L2203/162

POLYESTER RESIN BLEND, POLYESTER FILM AND PREPARATION METHOD THEREOF
20220389214 · 2022-12-08 ·

The present disclosure relates to a polyester resin blend, a polyester film and a preparation method of the same. The polyester resin blend is capable of providing a heat shrinkable label that is transparent and has excellent shrinkage even if it contains recycled polyethylene terephthalate as well as virgin polyethylene terephthalate. In addition, the heat shrinkable label can be reused while attached to a PET container, etc., and is expected to be useful for providing continuously usable plastics that have been recently attracting attention.

Polypropylene composition with improved sealing behaviour

New polypropylene composition which combines low sealing initiation temperature (SIT), high hot-tack and good mechanical properties, like high dart drop strength (DDI), and its use especially for film applications.

POLYMER COMPOSITION SUITABLE FOR MAKING BLOWN FILMS

The present invention relates to a polymer composition comprising at least the following components: A) 70.0 to 95.0 wt.-% based on the overall weight of the polymer composition of a C.sub.2C.sub.3 random copolymer; whereby said C.sub.2C.sub.3 random copolymer has a melting point in the range of 110 to 140° C. determined by differential scanning calorimetry according to ISO 11357-3; a MFR.sub.2 (230° C., 2.16 kg) determined according to ISO 1133 in the range of 0.5 to 4.0 g/10 min; and a total C2-content in the range of 1 to 10 wt.-% based on the overall weight of the C.sub.2C.sub.3 random copolymer; B) 5.0 to 30.0 wt.-% based on the overall weight of the polymer composition of a LDPE; whereby said LDPE has a density determined according to ISO 1183 in the range of 915 to 922 kg/m.sup.3; and a MFR2 (190° C., 2.16 kg) determined according to ISO 1133 in the range of 0.9 to 20.0 g/10 min; with the proviso that the weight proportions of components A) and B) add up to 100 wt.-%. In addition, the present invention refers to the articles, preferably blown films made of said polymer composition

POLYOLEFIN-BASED RESIN FILM AND LAMINATE INCLUDING THE SAME
20220356335 · 2022-11-10 · ·

The invention provides a polyolefin-based resin film including a polyolefin-based resin composition that includes at least a propylene-α olefin random copolymer, wherein (1) an olefin-based block copolymer is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (2) an olefin-based copolymeric elastomer resin is 0 to 2 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (3) a propylene homopolymer is 0 to 40 parts by weight based on 100 parts by weight of the propylene-α olefin random copolymer; (4) the polyolefin-based resin film exhibits a thermal shrinkage rate of 25% or less in a direction in which the thermal shrinkage rate is larger between a longitudinal direction and a lateral direction; and (5) a planar orientation coefficient ΔP calculated from a refractive index of the polyolefin-based resin film is 0.0100-0.0145.

RESIN COMPOSITION, ENCAPSULATION STRUCTURE, AND METHOD FOR MANUFACTURING RESIN COMPOSITION

A resin composition is provided, which includes a first polymer and a second polymer. The first polymer is formed by a reaction of an epoxy resin modified with a first elastic molecular segment and an epoxy resin curing agent. The second polymer is formed by a polymerization of an acrylate modified with a second elastic molecular segment.

Cold water soluble polymer films for packaging highly alkaline detergents

A film: (a) 50 to 85 wt % polymer comprising: (i) 30 to 70 wt % hard polymer with T.sub.g from 40 to 70° C. and 40 to 80 wt % (C.sub.1-C.sub.10)alkyl (meth)acrylate; 10 to 40 wt % C.sub.3-C.sub.8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; and (ii) 30 to 70 wt % soft polymer with T.sub.g from −20 to 20 ° C. and 50 to 90 wt % (C.sub.1-C.sub.10)alkyl (meth)acrylate; 5 to 30 wt % C.sub.3-C.sub.8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate;
hard T.sub.g minus soft T.sub.g is at least 30° C.; (iii) 0 to 10 wt %, of (C.sub.12-C.sub.24)alkyl (meth)acrylate polymer containing crystallizable portion with T.sub.m from 0° C. to 37° C.; (b) 10 to 40 wt % of polyethylene oxide having M.sub.w from 250,000 to 4,000,000; and (c) 0 to 10 wt % of poly(vinylpyrrolidone) having M.sub.w from 25,000 to 2,000,000.

Soil biodegradable blown film bag formulation

A blown film of soil biodegradable aliphatic polyesters produced primarily from diacid and diol monomers. The diacid monomers may be of any type including succinic acid, adipic acid, and hexanedioic acid. The diol monomer may be of any type including ethylene glycol, propanediol, butanediol, and hexanediol. Commercial aliphatic polyesters produced from diacid and diol monomers include polybutylene succinate (PBS), polybutylene adipate succinate (PBAS), and polybutylene adipate (PBA). Comonomers may also be added. Such comonomers include chemicals with a single carboxylic acid, hydroxy, or amine moiety, which act as chain terminators, chemicals with three or more carboxylic acid, epoxy, and/or hydroxy moieties which, act as branching agents.

HEAT SEALING AQUEOUS RESIN COMPOSITION, FILM, LAMINATE, AND METHOD FOR PRODUCING SAME

The present disclosure provides a heat sealing aqueous resin composition containing: a rosin resin (A); a biodegradable resin (B) including a resin having a structure of General Formula (1) and/or a resin (b1) having a structure of General Formula (2); and a polyvinyl alcohol (C) in which an average saponification degree is 75 mol % or more and 85 mol % or less, in which a content of the component (b1) is more than 50% by mass when a total content of the component (A) and the component (B) is 100% by mass.


—O—(CH.sub.2).sub.x—O—CO—(CH.sub.2).sub.y—CO—  General Formula (1): (in General Formula (1), x and y may be different from each other, and are integers of 1 or more and 10 or less)


—O—(CH.sub.2).sub.z—CO—  General Formula (2): (in General Formula (2), z is an integer of 3 or more and 10 or less)

CRYSTALLIZABLE SHRINKABLE FILMS AND THERMOFORMABLE SHEETS MADE FROM RESIN BLENDS

The present disclosure relates to crystallizable shrinkable films and thermoformable film(s) or sheet(s) comprising blends of polyester compositions which comprise residues of terephthalic acid, neopentyl glycol (NRG), 1,4-cyclohexanedimethanol (CHDM), ethylene glycol (EG), diethylene glycol (DEG) and/or 2,2,4, 4-tetramethyl-1,3-butanediol (TMCD), in certain compositional ranges having certain advantages and improved properties.

Polymeric coating compositions and articles coated with the same

Polymeric coating compositions and articles coated with the polymeric coating compositions are provided. The polymeric coating composition can include an ethylene-based polymer that exhibits desirable melting properties and molecular weight distribution. The polymeric coating composition can provide a thin coating layer on an article while still providing advantageous properties, such as seal strength.