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Matches 551 - 600 out of 4,114

Document Document Title
WO/1995/002630A1
The disclosure concerns certain classes of non-polar hydrocarbon polymers, their production and use. The polymers of the invention are well suited for use in producing films having unique combinations of properties, especially low water ...  
WO/1995/001390A1
The invention concerns sheeting made from ethylene and propylene polymers optionally also containing processing aids, fillers, pigments or other additives. The sheeting is characterized in that it contains (a) a propylene homopolymer wit...  
WO/1995/001250A1
A process for extruding a thermoplastic composition at higher drawdown rates with less neck-in and greater resistance to draw resonance as well as processes for extrusion coating a substrate and for making an extrusion-cast film are disc...  
WO/1995/000333A1
Copolymers of ethylene and alpha olefins that have been formed by a polymerization reaction in the presence of a single site catalyst, such as a metallocene, are used as a film or as a layer in multiple layer films, including molecularly...  
WO/1994/029384A1
A copolymer blend comprising vinylidene chloride-vinyl chloride copolymer, vinylidene chloride-methyl acrylate copolymer or a mixture thereof, from 2 to 20% by weight of CO-modified ethylene vinyl acetate copolymer or CO-modified ethylen...  
WO/1994/024196A1
The present invention is directed toward a water vapor responsive self sealing thin film which is formed from a blend of at least about 75 weight percent of a water dispersible polymer; from about 0.5 to about 5 weight percent of a xerog...  
WO/1994/018263A1
Disclosed are (1) a thermoplastic elastomeric film comprised of an elastomeric arene-diene block copolymer and particular ethylene/alpha-olefin copolymers having low ethylene crystallinity and (2) the process of preparing films thereof. ...  
WO/1994/015773A1
Articles (other than fiber) made from polybenzazole dopes are quickly washed to remove polyphosphoric acid by a combination of initially washing with an acidic liquid and second washing with a hot leaching fluid at least 60 �C. The pro...  
WO/1994/016001A1
Films made from polybenzazole dopes can quickly be leached to remove polyphosphoric acid and other residual solvents by passing a leaching fluid such as steam through pores in the wet, never-dried film. The process can reach acceptable r...  
WO/1994/015997A1
Films prepared from aqueous dispersions of block copolymers, optional diluents and surfactants corresponding to the formula: A-B-Xm-(B-A)n wherein each A is a polymer block of a monovinylidene aromatic monomer and, optionally, a conjugat...  
WO/1994/014602A1
A thin polypropylene sheet (10) is extruded flat, with a thickness in the range of .008 to .050 inches with a Rockwell hardness in excess of 72 and a flexural modulus in excess of 55,000 psi. The resultant surface may be utilized for cut...  
WO/1994/013483A1
The present invention provides an improved substrate film for magnetic tapes. The base film is a biaxially oriented PENBB film, i.e. a biaxially oriented copolyester film containing the structural unit (I) (bibenzoate, BB). Such particle...  
WO/1994/013484A1
The instant invention concerns a biaxially oriented PENBB film comprising at least one layer which essentially consists of PENBB and inert particles, which film has at least one surface with protrusions formed by the existence of the ine...  
WO/1994/013486A1
Disclosed herein is a copolyester composition comprising PENBB and 0.001 to 5 % by weight of fine particles having an average diameter of 0.01 to 3.0 mum. Further disclosed are films made from this copolyester composition. PENBB as discl...  
WO/1994/013481A1
The invention concerns a primer coated, biaxially oriented self-supporting mono- or multilayer copolyester film, wherein the copolyester is PENBB and wherein the primer coating contains a vinyl acetate copolymer. PENBB is a copolyester c...  
WO/1994/013485A1
Disclosed herein is a biaxially oriented copolyester film containing inert particles, wherein the copolyester is PENBB and wherein the inert particles are either generated in situ, added to the monomers before or during polycondensation ...  
WO/1994/013480A1
The invention deals with a coated biaxially oriented mono-or multilayered copolyester film, wherein at least one layer is composed of PENBB and wherein the coating contains a thermoplastic polymer.  
WO/1994/013482A1
The present invention comprises a two-layer biaxially oriented copolyester film useful for capacitor dielectrics. Such films have good winding characteristics, slipperiness, good mechanical properties, and excellent thermal stability. Th...  
WO/1994/013464A1
The present invention comprises a biaxially oriented copolyester film useful for capacitor dielectrics or thermal transfer printing ribbons. Such films have good winding characteristics, slipperiness, good mechanical properties (stiffnes...  
WO/1994/011420A1
In order to obtain a film having a practical strength and a high tearableness using a general-purpose thermoplastic resin, not less than two kinds of thermoplastic resins having different repeating units, such as a styrene polymer and an...  
WO/1994/008787A1
A protective film is placed on acrylic sheet. The film has a polyethylene side and an adherent EVA side; it will survive stressful lamination procedures as well as thermoforming, and can be easily removed from a finished article after th...  
WO/1994/004112A1
An elastic, three-dimensional, fluid pervious, polymeric web (80) is provided for use as a topsheet on an absorbent article. The web has a plurality of beam-like elements (81) connected to one another forming apertures (82) in the web. A...  
WO/1994/000787A1
A self-supporting adhesive sheeting material useful in making blanks for laminated windows comprises a continuous web (10) which has a uniform thickness profile (A, B) across at least 20 % of its area extending from each edge of the web ...  
WO/1993/023460A1
A process for coagulating a polybenzazole film which includes contacting a lyotropic polybenzazole dope film that is constrained in at least two directions with a coagulant under conditions such that the polybenzazole polymer separates a...  
WO/1993/020953A1
A process for producing thin film of a first addition polymer on a substrate comprising bombarding a target, consisting essentially of a second addition polymer, with radiation from a pulsed laser in a vacuum or gas atmosphere to form a ...  
WO/1993/019714A1
A polymeric multilayer film (120) having a high percentage of fillers (126) to increase the opacity of the film is disclosed. The fillers are concentrated in a separate filler-containing layer (124) having about 20 to about 60 weight per...  
WO/1993/017069A1
An isotropic, biaxially stretched polyimide film prepared by casting a solution of a polyamic acid precursor in an organic solvent containing a cyclization catalyst and dehydrating agent onto the surface of a support, imidizing the polya...  
WO/1993/014928A1
A cross laminate of two films, each of which is uniaxially or unbalanced biaxially oriented, the films being arranged so that the major axes of orientation criss-cross each other (steps 1 to 3), is treated in a calendering process in whi...  
WO/1993/012924A1
A film combination comprising a) an oriented polymeric substrate which either i) comprises an intimate blend of polypropylene with maleic acid anhydride modified polypropylen or ii) is otherwise susceptible of transmitting oxygen and wat...  
WO/1993/006796A2
A stress-softened thermoplastic elastomeric (TPE) film (100) which has been subjected to tensional deformation comprising at least uniaxial strain, and having improved textural and thermal transmissivity characteristics, as compared to a...  
WO/1993/006191A1
The present invention provides methods of preparing thermotropic and lyotropic liquid crystalline polymer film-based and tubular components having a controlled CTE and components produced by such methods.  
WO/1993/006159A1
Films featuring improved barrier properties formed essentially from a polychlorotetrafluoroethylene having a number average molecular weight of about 1,000,000, or alternately a ZST of 200, preferably 150 and less. The films are useful i...  
WO/1993/002860A1
A method for covering and sealing an article. The method includes: (i) providing a sized portion of a waterproof, adhesive, self-sealing, and heat-resistant polyolefinic stretch film having an upper and a lower surface, and a softening t...  
WO/1993/001047A1
A deep embossed thermoplastic film (20, 30) is disclosed. The film includes a plurality of macro cells (21, 46). The macro cells are interconnected by lands (22) extending between adjacent macro cells. The film also includes at least one...  
WO/1992/020740A1
In order to produce a polymer mixture essentially consisting of starch and a polyolefine, up to 70 wt %. of thermoplastically processable starch is mixed with 10 to 40 wt %. polyolefine and 10 to 35 wt %. ethylene acrylate maleic anhydri...  
WO/1992/016369A1
A solvent-free transfer process for providing a uniformly colored interlayer sheeting having a roughened or embossed surface wherein a composite coating consisting of a layer containing finely divided solid crystalline pigment particles ...  
WO/1992/014776A1
The present invention provides fibers and films of articulated liquid crystalline polymers which have improved compressive properties, as well as articulated liquid crystalline polymers having less than about 5 mole % articulated monomer...  
WO/1992/010527A1
Films containing polybenzazole polymer dissolved in a solvent can be mechanically stretched to provide biaxial orientation. The resulting dope film can be coagulated. The polymer film has improved properties in the direction in which str...  
WO/1992/005030A1
The present invention provides surfacing films (21) for the production of articles (20) having uniform, high quality decorative features. The surfacing films have a thermoformable carrier layer (22) that provides enhanced protection of t...  
WO/1991/016187A1
Apparatus for casting cellulose acetate film from a hot solution is described. The apparatus includes a casting wheel (12), means (13, 14) for passing heated liquid through the wheel to heat the wheel, means (15) for extruding a band of ...  
WO/1991/015358A1
The invention relates to a process for manufacturing a multi-layer, preferable twin-layer composite of a polystyrene foam film and a coextruded unfoamed film, especially for further processing into labels or mouldings making use of the s...  
WO/1991/012963A1
This invention relates to a method of producing antifog sheet of a thick film type having a thickness of at least 30 mum. The method comprises preparing a composition consisting of a polymer, a hydrophilic monomer and a surfactant as the...  
WO/1991/012125A1
An embossed plastic film having embossed areas (8, 9) is made ultra soft and cloth-like by providing a plurality of post-embossed stretched areas along lines (10, 12) that are spaced uniformly across its width and length. The stretched a...  
WO/1991/010415A2
A coverstock suitable for use in an absorbent device and an absorbent device such as a sanitary napkin or surgical dressing comprising a coverstock are provided. The coverstock comprises a film having a multiplicity of depressed areas an...  
WO/1991/008103A1
A transparent polyester film or sheet which is excellent in transparency and suitable as packaging material, has a relative degree of crystallinity of 50 % or above and can retain a haze value of 20 % or below even when heat treated at 1...  
WO/1990/015706A1
A flat and nearly mechanically isotropic liquid crystal polymer film (38) can be formed by laminating two biaxially oriented films. A laminate is produced having two thin outer surface portions which are oriented in one direction and a r...  
WO/1990/003882A1
The invention relates to a process for heat setting a biaxially oriented polyamide film, which comprises heat setting a biaxially oriented film having a low anisotropy in hot water shrinkage ratio in a flat state, if desired, after prehe...  
WO/1989/005835A1
The invention concerns a homogeneous, in particular multicoloured plastic web or plate, based on ethylene vinyl acetate copolymer (EVA) as binder with a filler content of 30 of 80 wt. %, and a process for producing it. In other embodimen...  
WO/1988/009200A1
This invention relates to a flat film permeative membrane having a plurality of very small protrusions on at least one of its surface. When this membrane is assembled in a lamination type module, these protrusions formed on the membrane ...  
WO/1988/009258A1
Draw resonance problems previously encountered when extrusion casting or extrusion coating linear low density polyethylene, LLDPE, are substantially alleviated by use of a polymer designed to have an I2 melt index of from 0.1 to 25 gm/10...  

Matches 551 - 600 out of 4,114