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7842379 |
Polymeric foams with nanocellular morphology and methods for making them
Polymeric foams having nanocellular morphology are formed from a polymeric material having structural units derived from 2-hydrocarbyl-3,3-bis(hydroxyphenyl)phthalimidine compound. The foams...
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7837910 |
Method of forming a hardened skin on a surface of a molded article
A method of forming a hardened skin on a surface of a molded article. In an exemplary method, a formable material is mixed with a blowing agent to form a foam material. The foam material is placed...
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7582352 |
Layered product olefin foam and use
The foamed laminate based on olefin according to the present invention is composed of a substrate layer of a foamed body made of either an ethylenic thermoplastic elastomer comprising a...
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6207098 |
Method for producing porous inorganic materials
The present invention relates to a process for producing inorganic porous materials, mainly composed of glass or glass-ceramic components. The glass or glass-ceramic components can have...
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5338765 |
Method of and apparatus for continuously foaming a polyimide powder
A method of and apparatus for continuously foaming a polyimide prepolymer powder which is not susceptible to heating by microwave energy utilize a preheated conveyor belt to heat the powder in...
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5087395 |
Method for processing radiation cross-link thin film foam
A foamed thermoplastic resin sheet is produced by a process comprising preheating in a chamber including a conveyor means for continuously conveying a radiation cross-linked thermoplastic resin...
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5057252 |
Method of producing heat-resistant and shape memory formed products
A method of forming a heat-resistant product, produced from a polymer composition comprising 40-70 weight % of a thermoplastic elastomer containing a repeating unit derived from ethylene and a...
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5019295 |
Foamable silicone rubber composition
A foamable silicone rubber composition comprising: (A) a particular diorganopolysiloxane, (B) a powdery silica filler, (C) a particular conductive metallic oxide powder, (D) a foaming agent, and...
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4824617 |
Method for manufacturing plastic foam
A method for manufacturing a plastic foam, wherein a plastic compound with chemical foaming agent is charged in molding cavity which is defined by a pair of upper and lower die cavities and wherein...
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4720363 |
Method of manufacturing plastic molding
A method of manufacturing a plastic molding of a foamable thermoplastic raw material blank or preform which contains a foaming agent by high frequency voltage heating in a molding die assembly...
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4680150 |
Method for manufacturing foamed plastics
A method for manufacturing a predetermined shape of molded plastics, comprising the steps of introducing a foamable shell forming material in molding dies, introducing a hard core forming material...
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4464425 |
Foamed polymeric shrink-fit objects and their process of manufacture
A shrink-fit article is made by extruding a silane-grafted polymer which foams, at least at its surface, and cross-links. Upon completion of foaming and cross-linking, the article is expanded while...
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4459247 |
Method for producing earplugs of foamed plastic
The invention relates to an earplug, produced with the use of a polysiloxane which is made foamable and cross-linkable by the use of expanding and cross-linking agents. The method for producing...
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4459249 |
Method of manufacturing a foamed protective and decorative molding for an automobile
A method of manufacturing a protective and decorative molding for an automobile, comprising the steps of: adding a foaming agent to a starting resinous material comprising a vinyl chloride polymer...
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4442233 |
Method for the manufacture of cross-linked and optionally foamed polypropylene
Disclosed herein is a process for producing cross-linked polypropylene by subjecting a homogenous mixture of a polypropylene with from about 2 to about 20 weight percent, based upon the weight of...
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4434251 |
Cross-linked polyvinyl chloride resin foam and method of manufacturing the same
This invention provides a method of continuously manufacturing a cross-linked polyvinyl chloride resin foam sheet which has a low density, uniformly fine cell, excellent thermal moldability and...
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4424293 |
Crosslinkable polypropylene composition
In producing a crosslinked polypropylene foam, 0.5 to 4 parts by weight of a compound selected from triacrylate and trimethacrylate of aliphatic polyhydric alcohol and a blowing agent are mixed...
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4367185 |
Method of producing crosslinked polypropylene foam
In producing a crosslinked polypropylene foam, 0.5 to 4 parts by weight of a compound selected from triacrylate and trimethacrylate of aliphatic polyhydric alcohol and a blowing agent are mixed...
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4337321 |
Multi-staged foaming of thermoplastic resin
A method for foaming heat foamable thermoplastic resin preforms and the product produced thereby. Said preforms are foamed in a series of foaming stages, said series comprising at least one...
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4220730 |
Crosslinked chlorinated polyethylene foam
A crosslinked, soft, flexible, closed-cell foam of chlorinated high density polyethylene and a process for the preparation thereof, comprising admixing a high density chlorinated polyethylene with...
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4213925 |
Process for continuously producing foamed sheets
A plastic foamed sheet of excellent quality is produced by preheating in a chamber including a conveyor means for continuously conveying a thermoplastic resin sheet containing a heat-decomposable...
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4203815 |
Process for producing crosslinked and foamed resin sheet
A process for producing a crosslinked and foamed resin sheet which comprises shaping a resinous mixture comprising a thermoplastic synthetic resin and a heat-decomposable blowing agent into a sheet...
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4155965 |
Continuous submerged foaming of thermoplastic resin
Continuous method and apparatus for treatment of a solid material submerged in a body of liquid wherein the material is sticky and/or has weak tensile strength. The material is supported, while it...
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4146598 |
Process for preparing suspension chlorinated crosslinked polyethylene foam
A crosslinked, soft, flexible, closed-cell foam of chlorinated high density polyethylene and a process for the preparation thereof, comprising admixing a high density chlorinated polyethylene with...
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4133854 |
Method for producing small hollow spheres
Method for producing small hollow spheres of glass, metal or plastic, wherein the sphere material is mixed with or contains as part of the composition a blowing agent which decomposes at high...
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4108934 |
Molding expandable thermoplastic resins
Shaped articles of organic polymer resins having cellular (foamed) structure are made from heat-expandable normally solid thermoplastic resin compositions in permeable molds particularly...
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4097319 |
Method of manufacturing a composite foamed polyolefin sheet
A method of manufacturing a foamed polyolefin sheet which comprises the steps of laminating a film of noncross-linked thermoplastic resin free from a cross-linking agent to at least one surface of...
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3979487 |
Process for manufacturing a foamed resin article having a flocked three dimensional surface design
A contoured article having three dimensional surface effects is disclosed herein, such as a headliner or floor covering for a vehicle. The contour of the article and at least one three dimensional...
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3962386 |
Corona discharge treatment of foam fibrillated webs
Non-woven fabrics are produced from polyolefin foam fibrillated webs. The webs are treated with corona discharge to improve the adhesion thereof when they are laminated under heat and pressure to...
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3953558 |
Method of moulding foamed synthetic resin pellets of polyolefine
A method of moulding foamed synthetic resin pellets of polyolefine in a mould, wherein the synthetic resin pellets are prepared with volumne of closed cells being more than 65 % of the total volume...
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3949028 |
Method of making cellular polymeric shaped articles having relief patterns
A method of making cellular or expanded polymeric shaped articles having relief patterns which comprises forming a thermoplastic polymer composition containing azodicarbonamide as a chemical...
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3902940 |
Art of joining foamed members
Controlled foaming and increase in volumetric dimensions of a number of plastic and other foam compositions is produced by dispersing or interspersing in a mass of such materials small susceptor...
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3864143 |
Chemical embossing using ultraviolet radiation
A sheet material is formed containing a chemical expanding agent. The areas of the sheet where expansion is to be permitted are masked, and areas where expansion is to be restricted are exposed to...
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3611487 |
APPARATUS FOR SONIC NUCLEATION FOAMABLE MATERIALS
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3663668 |
SONIC NUCLEATION IN FOAM EXTRUSION
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3592785 |
METHOD OF MAKING POLYETHYLENE FOAM
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3562367 |
PROCESS FOR PRODUCING THERMOPLASTIC RESIN FOAM
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3426108 |
METHOD OF FABRICATING SHELL TYPE POLYSTYRENE ARTICLES
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3399098 |
Method for production of foamed polyethylene
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3354243 |
Method of curing rubber extrusions
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3265785 |
Method of molding a foamed plastic sealing liner having a transparent central portion
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3243485 |
Fabrication of foamed plastic articles
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3157717 |
Repair of relief images
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