Abstract: A resin composition comprising: a polyvinyl alcohol; and an inorganic laminar compound having an aspect ratio of not less than 50 and not more than 5000, which has a volume ratio of (inorganic laminar compound/polyvinyl alcohol) in the range of (5/95) to (30/70); and a laminate or laminate film comprising, as at least a portion thereof, a layer or portion (1) comprising such a resin composition. The resin composition, laminate or laminate film may exhibit a good gas barrier property while substantially retaining a good film strength.

Abstract: A resin composition comprising: a polyvinyl alcohol; and an inorganic laminar compound having an aspect ratio of not less than 50 and not more than 5000, which has a volume ratio of (inorganic laminar compound/polyvinyl alcohol) in the range of (5/95) to (30/70); and a laminate or laminate film comprising, as at least a portion thereof, a layer or portion (1) comprising such a resin composition. The resin composition, laminate or laminate film may exhibit a good gas barrier property while substantially retaining a good film strength.

Abstract: The disclosed composition contains a biodegradable resin, and an inorganic laminar compound having an aspect ratio of not less than 50 and not more than 5000. A biodegradable film or shaped article includes, as at least a portion thereof, a layer (1) found from this biodegradable resin composition. The biodegradable resin composition, film or shaped article can exhibit a good gas barrier property while substantially retaining the desired biodegradability. Therefore, it can considerably contribute to the maintenance or protection of a terrestrial environment such as the disposal of trash or rubbish, or plastic wastes; and the reduction in the amount of wastes in landfills.

Abstract: A gas barrier resin composition or its film having very high level gas barrier and moisture barrier properties, which includes at least a high hydrogen-bonding resin and a non-film-forming inorganic laminar compound having a particle size of 5 .mu.m and an aspect ratio of 50-5,000. The resin composition or its film can be produced by dispersing a non-film-forming inorganic laminar compound in a high hydrogen-bonding resin or resin solution in such a state that the non-film-forming inorganic laminar compound is swollen or cloven with a solvent, and removing the solvent from the dispersion, if necessary in the form of a film, while maintaining the state.

Abstract: A polyolefin resin composition containing (a) 100 wt. parts of a polyolefin resin, (b) 0.03 to 60 wt. parts of an inorganic compound of the formula: ?Li+Al.sup.3 +.sub.2 (OH-).sub.6 !.A.sup.n-.sub.1/n.mH.sub.2 O (I) in which A.sup.n- represents a n-valent anion, n is an integer of 1 to 4, and m is a number satisfying 0.ltoreq.m.ltoreq.3 and (c) 0.02 to 5 wt. parts of a hindered amine compound, and a resin film made of a polyolefin resin composition containing (a) 100 wt. parts of a polyolefin resin, (b) 0.03 to 25 wt. parts of an inorganic compound of the above formula (I) and (c) 0.02 to 5 wt. parts of a hindered amine compound are disclosed. The resin composition and resin film are excellent in weather resistance.

Abstract: A laminate, laminate film or shaped article, which includes: a layer of a substance having a gas barrier property; and at least one layer or portion (1) disposed thereon comprising a resin composition comprising a resin and an inorganic laminar compound having an aspect ratio of not less than 50 and not more than 5000. As the gas barrier substance, a metal or oxide, ethylene-vinyl alcohol copolymer, or polyvinylidene chloride may preferably be used.Such a laminate, laminate film or shaped article may exhibit a good gas barrier property which is much higher than that of a conventional plastic material.

Abstract: A gas barrier resin composition or its film having very high level gas barrier and moisture barrier properties, which includes at least a high hydrogen-bonding resin and a non-film-forming inorganic laminar compound having a particle size of 5 .mu.m and an aspect ratio of 50-5,000. The resin composition or its film can be produced by dispersing a non-film-forming inorganic laminar compound in a high hydrogen-bonding resin or resin solution in such a state that the non-film-forming inorganic laminar compound is swollen or cloven with a solvent, and removing the solvent from the dispersion, if necessary in the form of a film, while maintaining the state.

Abstract: A method for compatibilizing at least two thermoplastic resins each having hydroxyl group(s), with each other, which method comprises reacting at least one of the thermoplastic resins with a boron compound simultaneously with or before mixing of the resins, to form a boric acid ester at least at the boundary of the resins; a resin composition comprising resins compatibilized with each other, obtained by the method; and a laminate whose at least one layer consists of the resin composition.

Abstract: A film for labels having a high severability in die cutting consisting of a film having a phase separate structure produced by shaping into film a resin composition comprising 20 to 80% by weight a polypropylene resin, and 20 to 80% by weight a polyethylene resin having a density of 0.91 to 0.93 g/cm.sub.3 said film having a Young's modulus of 2000 to 6000 Kg/cm.sup.2 and a thickness of 0.02 to 0.20 mm.

Abstract: A resin composition comprising a resin, a hindered piperidinyloxy compound of the formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently a C.sub.1 -C.sub.4 alkyl group and Z is a hydrogen atom or an organic group having at least one carbon atom, and a hypophosphite compound of the formula:X.sub.a (H.sub.2 PO.sub.2).sub.b (II)wherein X is a metal ion, an ammonium ion or a phosphonium ion, a and b are positive numbers provided that they satisfy the equation: a.times.c=b in which c is a valency of X, wherein a weight ratio of the hypophosphite compound (II) to the hindered piperidinyloxy compound (II) is at least 0.001, which has good heat stability and weather resistance.

Abstract: A method for compatibilizing at least two thermoplastic resins each having hydroxyl group(s), with each other, which method comprises reacting at least one of the thermoplastic resins with a boron compound simultaneously with or before mixing of the resins, to form a boric acid ester at least at the boundary of the resins; a resin composition comprising resins compatibilized with each other, obtained by the method; and a laminate whose at least one layer consists of the resin composition.

Abstract: A laminate film for wrapping which comprises a layer comprising (A) an ethylene-.alpha.-olefin copolymer having a coefficient of variation of composition distribution (Cx) represented by equation shown below of 0.40 or less and having an ethylene content of 50 mol % or more and at least one layer of a different kind;Cx=.sigma./SCB.sub.avewherein .sigma. is a standard deviation of composition distribution (1/1000 C), and SCB.sub.ave is an average of the number of short chain branchings per 1000 C (1/1000 C).The film is safe and hygienic, less odorous and excellent in transparency, mechanical strength, softness, and low-temperature heat sealing properties and is therefore suitable to automatic wrapping, particularly stretch-wrapping.

Abstract: Disclosed is an agricultural film produced by forming into a film a composition comprising (a) a polyolefin resin, (b) a dripping agent, (c) a heat stabilizer and (d) a weather resistance improving agent and (e) a solution of a hypophosphite compound in an organic solvent.

Abstract: A highly antioxidant resin composition containing a resin, a solution of a hypophosphite compound in an organic solvent, a heat stabilizer and a hindered amine base weathering stabilizer, which has improved heat stability and weather resistance. The hypophosphite compound is preferably dissolved in a polyvalent alcohol having a molecular weight of not more than 50,000.

Abstract: A weather resistant resin composition comprising a resin, a UV light absorber and a hypophosphite, which has improved weather resistance.

Abstract: Disclosed is an infrared absorbing film comprising a synthetic resin and silicon oxide, wherein the silicon oxide is used in an amount of about 2 to about 25% by weight based on the synthetic resin, and wherein the silicon oxide is produced by underwater grinding, has an average particle size of not more than 4 .mu.m, is substantially free of particles exceeding 20 .mu.m in average particle size, and has a specific surface area of not more than 20 m.sup.2 /g.The film may further comprise a transparent resin layer formed over at least one surface thereof.

Abstract: The invention provides an agricultural film of a polyolefin composition from 0.02 to 0.5 part by weight of an .omega.-hydroperfluoroalkyl group-containing fluorine compound surfactant and from 0.5 to 5 parts by weight of a nonionic dripping agent per 100 parts by weight of a polyolefin resin. The agricultural film can prevent fog generation in houses, tunnels or the like in horticulture use facilities.

Abstract: A mulching film which comprises a reflective film layer having a reflective peak at a wavelength of less than 0.4 .mu.m and a reflective spectrum having not less than 1.4 of a ratio (R.sub.A /R.sub.B) of the ultraviolet peak reflectance (R.sub.A) and the visible light reflectance at a wavelength of 0.5 .mu.m (R.sub.B) and a black film layer, which is effective for repelling insect pests harmful for various crops and other plants by covering ground for plantation and for lowering of the underground temperature and also for the prevention of the propagation of weeds.

Abstract: A breathable film and a process for producing the same are disclosed, the breathable film comprising a resin composition comprising (1) 100 parts by weight of a linear low-density polyethylene resin having a density of from 0.870 to 0.915 g/cm.sup.3 and containing from 15 to 50% by weight of a component which is extractable with xylene at room temperature and which has a weight average molecular chain length of from 1,000 to 9,000 .ANG.; (2) from 50 to 400 parts by weight of a filler; and optionally, (3) from 0.5 to 8 parts by weight of a nonionic surface active agent. The breathable film of the invention not only has excellent film moldability and film stretchability but also shows high breathability, good touch and appearance, and high strength.

Abstract: A selective light transmissible film or sheet having excellent anti-fogging properties, produced by forming a thin film of a metal and/or a metal compound having transparency and infrared ray reflective characteristics, on the surface of one side of a cellulose derivative film or sheet of which the surface of the other side is saponified with an alkaline aqueous solution, or on the surface of one side of a cellulose derivative film or sheet of which both surfaces are saponified with an alkaline aqueous solution.