Matches 1 - 47 out of 47


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8961859 Expandable polystyrene resin particles, method for production thereof, and molded foam product  
There are provided expandable polystyrene resin particles formed by granulating a polystyrene resin containing an expanding agent, wherein the weight-average molecular weight Mw of the polystyrene...
8865037 Method of manufacturing foamed thermoplastic films and trash bags  
A method of manufacturing foamed thermoplastic films and trash bags wherein a foaming agent is added to a base thermoplastic resin. The resultant foaming agent/base resin mixture is extruded to...
8858848 Foaming agent to improve EMI shielding  
A conductive plastic article (31) is disclosed suited for a housing that offers improved shielding against electromagnetic interference or that offers improved electrostatic discharge properties....
8236212 Method of forming a hardened skin on a surface of a molded article  
A method of forming a hardened skin on one or more surfaces of a molded article. In an exemplary method, a formable material is mixed with a blowing agent to form a foam material. The foam...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3663668 SONIC NUCLEATION IN FOAM EXTRUSION  
3611487 APPARATUS FOR SONIC NUCLEATION FOAMABLE MATERIALS  
3592785 METHOD OF MAKING POLYETHYLENE FOAM  
3562367 PROCESS FOR PRODUCING THERMOPLASTIC RESIN FOAM  
3426108 METHOD OF FABRICATING SHELL TYPE POLYSTYRENE ARTICLES  
3399098 Method for production of foamed polyethylene  
3354243 Method of curing rubber extrusions  
3265785 Method of molding a foamed plastic sealing liner having a transparent central portion  
3243485 Fabrication of foamed plastic articles  
3157717 Repair of relief images  

Matches 1 - 47 out of 47