Patent classifications
B29D7/01
APPARATUS AND METHOD FOR MANUFACTURING DRIED GEL SHEET AND GEL SHEET OR BEAUTY PACK MANUFACTURED BY THE SAME
The present invention provides a dried gel sheet manufacturing apparatus and method, and a gel sheet. The dried gel sheet manufacturing apparatus includes an applying unit 2 which includes gravure rolls 22a and 22b to apply a hydrogel composition of a reserving tank 24 on a supporting member M which is conveyed together with a lower film Fa to form a sheet shaped hydrogel H, a cooling drying unit 4 which cools the sheet shaped hydrogel H using a cooling plate 44 to be solidified while being transported; and a heating drying unit 6 which dries and irons the solidified sheet shaped hydrogel by a combination of a heater roll group 64 and a nozzle unit 66 or the nozzle unit 66, a dry conveyer 68, a godet roller 70 or a nozzle unit 66, a dry conveyer 68, a heater roll group 64, or a nozzle unit 66 and a godet roller 70 to obtain a gel sheet G2. Further, a dried gel sheet manufacturing method through the apparatus includes an applying step of forming a sheet shaped hydrogel H by a lower film Fa and protecting the sheet shaped hydrogel by adhering the upper film Fb on a top surface; a cooling drying step of passing the sheet shaped hydrogel H at a low temperature atmosphere to be solidified, and a heating drying step of receiving and separating the upper and lower films Fb and Fa from the sheet shaped hydrogel H which is solidified by the cooling and heating and drying the front and rear surfaces by ironing the sheet shaped hydrogel to collect the gel sheet S2. Through the manufacturing method, a gel sheet G2 which is formed to be a film so that density of the front and rear surfaces is higher than a center portion and a beauty pack obtained by pressing the gel sheet S2 by the mask member MP are suggested.
SELF-ADHERING FILM WITH AERODYNAMIC PERFORMANCE
Provided is the film that can reduce aerodynamic drag and enhance aerodynamic performance. The film according to an embodiment is a film (1) to be attached to a moving body that moves in a predetermined moving direction, extends along a second direction (D2) being the moving direction, and includes recesses and protrusions (2A) configured to enhance aerodynamic performance of the moving body on a surface of the film.
SELF-ADHERING FILM WITH AERODYNAMIC PERFORMANCE
Provided is the film that can reduce aerodynamic drag and enhance aerodynamic performance. The film according to an embodiment is a film (1) to be attached to a moving body that moves in a predetermined moving direction, extends along a second direction (D2) being the moving direction, and includes recesses and protrusions (2A) configured to enhance aerodynamic performance of the moving body on a surface of the film.
METHOD OF MAKING A FLEXIBLE PACKAGE MADE OF POLYMERIC FILM
A method of making a flexible package made of polymeric film is provided. The method comprises the steps of: a) obtaining post-industrial recycled material from post-industrial recycling of precursor polymeric film formed of precursor polymeric material which is substantially the same as the virgin polymeric material of step c), b) providing at least 30 weight-% post-industrial recycled material obtained in step a) based on the overall weight of the polymeric film, c) providing up to 70 weight-% of virgin polymeric material based on the total weight of the polymeric film, and d) jointly melting the virgin polymeric material and the post-industrial recycled material. The method comprises the steps of: e) extruding the molten polymeric material and molten post-industrial recycled material to form a polymeric film, f) providing print on one or both surfaces of the polymeric film, and g) converting the polymeric film into the flexible package.
METHOD OF MAKING A FLEXIBLE PACKAGE MADE OF POLYMERIC FILM
A method of making a flexible package made of polymeric film is provided. The method comprises the steps of: a) obtaining post-industrial recycled material from post-industrial recycling of precursor polymeric film formed of precursor polymeric material which is substantially the same as the virgin polymeric material of step c), b) providing at least 30 weight-% post-industrial recycled material obtained in step a) based on the overall weight of the polymeric film, c) providing up to 70 weight-% of virgin polymeric material based on the total weight of the polymeric film, and d) jointly melting the virgin polymeric material and the post-industrial recycled material. The method comprises the steps of: e) extruding the molten polymeric material and molten post-industrial recycled material to form a polymeric film, f) providing print on one or both surfaces of the polymeric film, and g) converting the polymeric film into the flexible package.
Multilayer Thermoplastic Film with Improved Puncture Resistance Performance
The present disclosure provides for a heat-shrinkable, biaxially stretched, multilayer thermoplastic film that includes at least a puncture resistant layer. The puncture resistant layer is formed with a polyethylene based plastomer having a density of 0.890 g/cm.sup.3to 0.910 g/cm.sup.3 as measured in accordance with ASTM D-792, and a melt index (MI) as measured by ASTM D-1238 at 190° C./2.16 kg from 0.20 g/10 minutes to 1.5 g/10 minutes. The polyethylene based plastomer has a log M.sub.25% of an upper 25% of a GPC quadrant having a value of 5.1 to 5.7, an intermediate molecular weight distribution (Mw/Mn) of 2.5 to 3, a Mz/Mw value of 2 to 2.5, a Comonomer Distribution Constant value from 60 to 400 and a single SCBD peak between 40-85° C. with a mass fraction of less than 3% above 85° C. as determined by CEF, and a ZSVR value from 1.0 to 5.5. The multilayer thermoplastic film is biaxially stretched at a temperature of 60° C. to 120° C. with a blow-up ratio from 2:1 to 10:1.
Multilayer Thermoplastic Film with Improved Puncture Resistance Performance
The present disclosure provides for a heat-shrinkable, biaxially stretched, multilayer thermoplastic film that includes at least a puncture resistant layer. The puncture resistant layer is formed with a polyethylene based plastomer having a density of 0.890 g/cm.sup.3to 0.910 g/cm.sup.3 as measured in accordance with ASTM D-792, and a melt index (MI) as measured by ASTM D-1238 at 190° C./2.16 kg from 0.20 g/10 minutes to 1.5 g/10 minutes. The polyethylene based plastomer has a log M.sub.25% of an upper 25% of a GPC quadrant having a value of 5.1 to 5.7, an intermediate molecular weight distribution (Mw/Mn) of 2.5 to 3, a Mz/Mw value of 2 to 2.5, a Comonomer Distribution Constant value from 60 to 400 and a single SCBD peak between 40-85° C. with a mass fraction of less than 3% above 85° C. as determined by CEF, and a ZSVR value from 1.0 to 5.5. The multilayer thermoplastic film is biaxially stretched at a temperature of 60° C. to 120° C. with a blow-up ratio from 2:1 to 10:1.
Barrier film with enhanced formability and a method for making thereof
A film comprises an outer heat sealable layer mainly made of a (co)polyolefin with the Vicat softening temperature not exceeding 130° C., at least one heat resistant layer mainly made of at least one polar (co)polymer selected from the group including predominantly aliphatic (co)polyamides and aromatic (co)polyesters, and at least one core adhesive layer from a material capable of adhering both to (co)polyolefins and to polar (co)polymers. The heat resistant layer comprises not less than 15% of at least one predominantly aliphatic copolyamide with the melting temperature not exceeding 205° C. A method comprises the stages of coextrusion, biaxial stretching, annealing and winding up of the resulting film into a roll.
Laminated film and method for producing same
The present invention provides a laminated film comprising a polyester film having a resin layer on at least one side thereof, wherein said resin layer contains at least metal oxide particles (A) having a number average particle diameter of 3 nm or more and 50 nm or less, and an acrylic resin (B), and a component (C.sub.1) derived from an oxazoline-based compound and/or a component (C.sub.2) derived from a melamine-based compound, and wherein said acrylic resin (B) contains a monomer unit (b.sub.1), a monomer unit (b.sub.2) and a monomer unit (b.sub.3). The present invention provides a laminated film which is excellent in transparency, suppression of interference pattern upon lamination of a high refractive index hard coat layer, adhesive property to a high refractive index hard coat layer, and adhesion under high temperature and high humidity conditions (adhesion under high temperature and high humidity conditions), at a low cost.
Laminated film and method for producing same
The present invention provides a laminated film comprising a polyester film having a resin layer on at least one side thereof, wherein said resin layer contains at least metal oxide particles (A) having a number average particle diameter of 3 nm or more and 50 nm or less, and an acrylic resin (B), and a component (C.sub.1) derived from an oxazoline-based compound and/or a component (C.sub.2) derived from a melamine-based compound, and wherein said acrylic resin (B) contains a monomer unit (b.sub.1), a monomer unit (b.sub.2) and a monomer unit (b.sub.3). The present invention provides a laminated film which is excellent in transparency, suppression of interference pattern upon lamination of a high refractive index hard coat layer, adhesive property to a high refractive index hard coat layer, and adhesion under high temperature and high humidity conditions (adhesion under high temperature and high humidity conditions), at a low cost.