B29K2003/00

Multilayer films

There is provided a multilayer film comprising a starch layer and at least one other layer. The multilayer film has excellent barrier properties. The starch layer comprises a modified starch having a degree of substitution less than 1.5. Suitable other layers include polyolefins. The multilayer film finds use in packaging, particularly in packaging foodstuffs.

SOLID HAIR COSMETIC COMPOSITION

The present disclosure relates to a solid hair cosmetic composition comprisingbased on the total weight of the cosmetic composition0.1 to 40.0% by weight of at least one polysaccharide, at least one polysaccharide being starch from corn, rice, potato or tapioca; modified starch; hydroxypropyl starch phosphate or a dextrin, and optionally: 10.0 to 60.0% by weight of at least one polyhydric alcohol, 0.1 to 15.0% by weight of at least one cationic surfactant, and 0.1 to 15.0% by weight of at least one saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 alcohol and/or a saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 carboxylic acid and/or a salt of a saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 carboxylic acid, as well as production and application methods and uses thereof.

SOLID HAIR COSMETIC COMPOSITION

The present disclosure relates to a solid hair cosmetic composition comprisingbased on the total weight of the cosmetic compositionabout 30.0 to about 60.0% by weight of at least one polyhydric alcohol, and optionally: about 0.1 to about 15.0% by weight of at least one cationic surfactant, about 0.1 to about 20.0% by weight of at least one saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 alcohol and/or a saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 carboxylic acid and/or a salt of a saturated or unsaturated, branched or unbranched C.sub.8-C.sub.30 carboxylic acid, and about 0.1 to about 40.0% by weight of at least one polysaccharide, as well as production and application methods and uses thereof.

Shaping mold for forming a porous starch container
10889027 · 2021-01-12 · ·

A shaping mold for forming a porous starch container includes a porous female mold which is breathable and is formed with a cavity; a porous male mold which is breathable; wherein the porous male mold contains a male mold plate and a protrusion; the protrusion extends from a bottom of the male mold plate; the porous male mold has at least one penetrating hole penetrating the male mold plate and the protrusion; and wherein when the porous male mold is combined to the porous female mold, a shaping space is formed between the protrusion of the porous male mold and the cavity of the porous female mold for forming a porous starch container; the shaping space is communicated to the penetrating hole. The starch material contains 50 wt %90 wt % (weight percentage) starch; 5 wt %25 wt % fiber enhancer; 3 wt %30 wt % CaCO.sub.3 for hardening; and may further contains 02 wt %5 wt % foaming material.

MANUFACTURING METHOD OF MICRONEEDLE ARRAY
20210001103 · 2021-01-07 · ·

Provided is a method for manufacturing a microneedle array in which the distal end of a needle-like recessed portion is reliably filled with a drug solution. The problem is solved by a method for manufacturing a microneedle array, including: a positioning adjustment step of adjusting positioning of a mold having a needle-like recessed portion on a front surface, and a drug solution ejection nozzle which ejects a drug solution; a relative movement step of moving the mold and the drug solution ejection nozzle relative to each other to cause a position of the needle-like recessed portion and a position of the drug solution ejection nozzle to coincide with each other in a plan view in a direction parallel to an ejection direction of the drug solution; an ejection step of ejecting the drug solution from the drug solution ejection nozzle toward the needle-like recessed portion; and a suction step of suctioning a rear surface of the mold.

Biodegradable dental floss pick manufacturing apparatus.
20200406514 · 2020-12-31 ·

This utility model discloses a manufacturing device of a dental floss pick, which comprises of an injection molding module, a cutting module, a carrying module and a storage module. The injection molding module is provided with a material chamber, a motor, a rotating shaft and screw, and heating is arranged on the outer periphery of the lower end of the material chamber. A nozzle is arranged at a lower end of the material chamber, an upper mold and a lower mold are arranged under the nozzle, and a shape forming mold is arranged between the upper mold and the lower mold. The cutting module encompasses of cutters directly under the blade cutter; a clamping robot is arranged between the injection molding module and the cutting module, and a suction cup robot is arranged between the cutting module and the storage module. Through the whole process, the automated carrying module is used to carry out the handling and stacking operation of the product. The whole production process realizes the automatic operation of the equipment, which greatly improves safety and production efficiency; furthermore the equipment in the utility model is naturally degradable. Thermoplastic starch plastics are produced as raw materials and the products do not pollute the environment.

Acid resistant capsules

The present invention relates to new acid resistant hard pharmaceutical capsules, a process for their manufacture and use of such capsules particularly but not exclusively for oral administration of pharmaceuticals, veterinary products, food and dietary supplements to humans or animals. The capsules of the invention are obtained by aqueous compositions comprising a water soluble film forming polymer and gellan gum in a mutual weight ratio of 4 to 15 weight parts of gellan gum for 100 weight parts of film forming polymer.

THERMOPLASTIC STARCH

The invention relates to a method for producing thermoplastic starch, in which a mixture comprising starch and a polyol, preferably selected from the group comprising polyethylene glycol, monosaccharides, sugar alcohols such as glycerol, sorbitol, erythritol, xylitol or mannitol and mixtures thereof, in a quantity of between 10 and 25 wt. % of the mixture, and an epoxide selected from the group comprising epoxidised plant oils such as soybean oil, linseed oil, sunflower oil, rapeseed oil and mixtures thereof, in a quantity of between 0.1 and 6, preferably between 2.5 and 3.5 wt. % of the mixture, is extruded, the mixture also containing an acid, preferably a carboxylic acid selected from the group consisting of citric acid, malic acid or tartaric acid, in a quantity of between 0 and 1, preferably between 0.1 and 0.5 wt. % of the mixture. The invention also relates to such a produced thermoplastic starch, to a compound produced by means of the thermoplastic starch, and to a film produced from such a compound.

Microprojection implement and method for producing same

A microprotrusion device (1A) according to the present invention includes a needle-like and hollow first protrusion portion (3) that is formed so as to protrude from one surface (2a) of a substrate sheet (2) and a hollow second protrusion portion (4) that is formed so as to protrude from a vicinity of the first protrusion portion (3) on the one surface (2a) of the substrate sheet (2) and has a protrusion height lower than that of the first protrusion portion (3). The first protrusion portion (3) has an opening at its tip end portion, and a hollow portion (30) of the first protrusion portion (3) is in communication with the outside via the opening portion (31). The opening portion (31) is formed at the tip end of the first protrusion portion (3).

RESIN COMPOSITION AND METHOD FOR PRODUCING THE SAME
20200339785 · 2020-10-29 ·

Provided is a resin composition comprising a starch and a polyvinyl alcohol, which is excellent in the breaking strength and breaking elongation at a low temperature, and at the same time, has the good gas barrier property. The resin composition comprises modified starch and polyvinyl alcohol, and where in a cross section photograph by a transmission electron microscope, a cross-sectional area of each of particles of the polyvinyl alcohol dispersed is calculated, and a cross-sectional shape of each of the particles of the polyvinyl alcohol is postulated to be circular based on the cross-sectional area, the particles of the polyvinyl alcohol have a conversion particle diameter of 50 to 300 nm, and the conversion particle diameter has a dispersity of 3.0 or less.