There is provided a co-injection molded multilayer structure comprising a barrier layer and outer layers laminated to contact with the barrier layer on its both sides, wherein the barrier layer is made of a resin composition (X) comprising an ethylene-vinyl alcohol copolymer (A) and an alkali metal salt (B) of a higher fatty acid, having a melting point of 250 C. or lower; the ethylene-vinyl alcohol copolymer (A) has an ethylene unit content of 20 to 60 mol % and a saponification degree of 90% or more, and a content of the alkali metal salt (B) in the barrier layer is 50 to 1500 ppm in terms of metal atoms; and the outer layers are made of a resin composition (Y) comprising an unmodified high-density polyethylene (F) and a maleic anhydride-modified polyethylene (G), and a maleic anhydride modification rate relative to the whole resin composition (Y) is 0.005 to 0.1 wt %. This co-injection molded multilayer structure has excellent adhesiveness, so that its oxygen barrier performance can be maintained even after being subjected to an impact due to falling or the like.

Disclosed is a film for a shrinkable label with improved transparency and stiffness in the film for a shrinkable label using a non-adhesive polyolefin-based material. The present invention is a film for a shrinkable label, the film including a skin layer, a core layer, and a seal layer, wherein the skin layer and the seal layer include 70 parts by weight to 90 parts by weight of a cyclic olefin resin and 10 parts by weight to 30 parts by weight of a linear low-density polyethylene, and the core layer includes 5 parts by weight to 25 parts by weight of a cyclic olefin resin, 60 parts by weight to 85 parts by weight of a propylene copolymer, and 1 part by weight to 20 parts by weight of a modifier.

A spunbond non-woven fabric includes a plurality of fibers. The fibers are formed from a polymer blend that includes at least one first polymer and at least one second polymer. A melt flow rate of the at least one first polymer is greater than a melt flow rate of the at least one second polymer, and the melt flow rate of the at least one second polymer is about 9 g/10 min to less than 18 g/10 min. The blend may include a percentage by weight of the second polymer that is greater than a percentage by weight of the first polymer.

A flame-retardant resin composition may include a base resin composed of polyethylene and an acid-modified polyolefin, a silicone compound, a fatty acid-containing compound, and a hindered amine-based compound that includes a hindered amine structure. The polyethylene may include a high-density polyethylene, a medium-density polyethylene and a low-density polyethylene, where the high-density polyethylene has a density of 945 kg/m.sup.3 or more, the medium-density polyethylene has a density of 914 kg/m.sup.3 or more and less than 945 kg/m.sup.3, and the low-density polyethylene has a density of 864 kg/m.sup.3 or more and less than 914 kg/m.sup.3. The base resin may contain the high-density polyethylene in an amount of 40 mass % or more and 60 mass % or less, the medium-density polyethylene in an amount of 1 mass % or more and 35 mass % or less, and the low-density polyethylene in an amount of 10 mass % or more and 30 mass % or less.

Disclosed herein is an oxygen scavenging composition for containers. The oxygen scavenging composition may comprise at least one polyester component, which is a copolyester containing a metal sulfonate salt group, a transition metal catalyst, and a vegetable oil. The vegetable oil may comprise at least one molecule having a double allylic structure. The copolyester containing a metal sulfonate salt group may comprise at least one acid unit and at least one diol unit. The concentration of the double allylic structures of the vegetable oil in the composition may be greater than 5.0 meq/kg of all of the polyester components. The composition may also be void of or substantially void of a polyamide.

A polyolefin composition made from or containing: A) from 74 wt % to 89 wt % of a copolymer of propylene with ethylene, having: i) a content of ethylene between 3.3 wt % and 6.0 wt %; and ii) a melting temperature ranging from 132 C. to 143 C.; and B) from 11 wt % to 26 wt % of a propylene ethylene copolymer containing from 18.0 wt % to 28.0 wt % of ethylene derived units, wherein the polyolefin composition has: a xylene solubles fraction at 25 C. ranging from 13 wt % to 25.0 wt %; a content of ethylene derived units in the fraction soluble in xylene at 25 between 20.3 wt % and 28.0 wt %; and a melt flow rate (ISO 1133 (230 C., 2.16 kg) ranging from 1.0 g/10 min to 4.0 g/10 min; the sum A+B being 100.

The present invention is directed to a polyolefin composition which is suitable as sealing layer of a multilayer film providing improved, i.e. reduced sealing initiation temperature. The polyolefin composition comprises a random copolymer of propylene and a polymer of 1-butene. The present invention is also directed to oriented and non-oriented films comprising the polyolefin composition and to the use of a polymer of 1-butene in a polyolefin composition comprising a random copolymer of propylene for reducing the sealing initiation temperature of an oriented or non-oriented film comprising the polyolefin composition. The present invention allows the application of a random copolymer of propylene based polyolefin composition as sealing layer of a multilayer film for higher speed packaging lines and at the same time also provides good hot tack and optical properties.

A polymer is provided that preferably includes at least one unsaturated cycloaliphatic group. In one embodiment, the polymer is combined with an optional crosslinker and an optional carrier to form a coating composition suitable for use in coating articles such as packaging articles. In one embodiment, the polymer has at least one unsaturated cycloaliphatic group that is at least bicyclic.

A novel thermoplastic material including polylactic acid (PLA) and calcium hydroxide is provided, the material having an elevated glass transition temperature (T.sub.g). Methods of making this novel material, and articles of manufacture made from it are also provided.

The present invention relates to a rotomolded article, comprising at least one layer, wherein said at least one layer comprising comprises at least one metallocene-catalyzed polyethylene resin comprising at least two metallocene-catalyzed polyethylene fractions A and B; and at least one ionomer; wherein the polyethylene resin comprises: at least 25% to at most 55% by weight of polyethylene fraction A based on the total weight of the polyethylene resin, wherein fraction A has a density at least 0.005 g/cm.sup.3 higher than the density of the polyethylene resin; and wherein the polyethylene resin has a density of at least 0.930 g/cm.sup.3 to at most 0.954 g/cm.sup.3 as measured according to ASTM D-1505 at 23 C.; a melt index MI2 of at least 1.0 g/10 min to at most 25.0 g/10 min as determined according to ISO 1133, condition D, at 190 C. and under a load of 2.16 kg. The present invention also relates to a process for preparing said rotomolded article.