Silly string is a toy of flexible, sometimes brightly colored, plastic string propelled as a stream of. Please consider these or bring us your ideas and pictures for us to create you a custom design. Foam as an alternative design material tom brown inc. Resins are valuable for their chemical properties and associated uses, such as the production of varnishes, adhesives, food glazing agents, plastics and various products. The polyurethane foam book monolithic dome institute.
The benefits of foam as alternative design materials. Foamability, foam stability, and chemical composition of. Silly string was invented for a very different reason than youd expect. Search foam material and thousands of other words in english definition and synonym dictionary from reverso. Your favorite toys were invented by mistake and they werent. Us5728332a method of making a multilevel, expanded. But while these processes can make the material as soft as needed, the design then begins to revolve around that particular foam. Balevski with hydroaero dynamic center, bulgarian academy of sciences, 67 shipchenski prohod str. The partners initially wanted to create a can of aerosol that one would be able to spray on a brokensprained leg or arm and use as an instant. The invention of the original silly string was accidental. This disclosure relates to a foamable composition, in particular for the field of construction like filling joints or cavities or for connecting construction elements, the composition comprising a foamable aqueous phase and a volatile propellant, the aqueous.
Coast guard approved, 2 part 1 to 1 mix, pour in place, two pound per cubic foot polyurethane foam. This book was written for readers who are not yet familiar with thermoforming techniques and technology. The two parts are mixed just prior to application, and a chemical reaction between them causes the mixture to begin hardening immediately. A providing a composite comprising a backing material and adhered thereto a layer of a foamable resin which contains a blowing agent. Foam is a polymer material consisting of cells that provide cushioning and absorb sound. Particles attached to thin foam films can both stabilize or destabilize the film hence, to understand the conditions under which stability is promoted, consideration must also be given to those conditions under which stability is actively. Therefore, this guide reflects gregs experience and point of view and not necessarily that of foam ez. It presents all hierarchical steps of a foam, starting from the properties of adsorption layers formed by foaming agents, discussing the properties of. A foamable precursor with a denser core layer can be obtained by applying pressure to an aluminum box, formed by placing core layer powders on a flanged aluminum plate and sealing the powders in with other flanged plates. This book describes in detail the scientific philosophy of the formation and stabilizationdestabilization of foams. Handbook of polymeric foams and foam technology hanser. A printing composition is applied to the surface of the potentially foamable, resinous base layer in the form of at least one continuous path extending from one edge point to another edge point of the potentially foamable, resinous base layer, the printing composition comprising a blowing inhibitor and a release agent.
Traditionally, quarterbacks yell which of these words to. Each gallon kit will produce approximately 5 cubic feet of foam. The precursor composition is usually alsi, alsicu or alsimg alloys while the face sheets are 3xxx, 5xxx and 6xxx series aluminium alloys. Q11 what did scott stillinger invent in 1986 for his kids to throw and catch. The foamable composition of the present disclosure comprises a volatile propellant which is effective for spraying or dispensing the composition by pressure release of the pressurized foamable composition, especially being pressurized by the gas pressure of the volatile propellant. B forming a partially printed composite by applying to a portion of the surface of the layer a composition containing an accelerator which functions to. And, did you know that silly string was an accidental invention.
According to this patent, a foamable resinous composition is formed into a selfsupporting sheet of fused composition. Ilcheva2 1 institute of metal science and technology acad. Q10 what toy did joel glickman invent after being inspired by flexible drinking straws. All three are twopart systems consisting of a base material and a hardener material. Foam can impede the flow of a liquid and block gas exchange with air.
Mechanisms and materials presents the basics of foaming in general build a strong foundation to those working in both thermoplastic a. A novel hotpressing method to prepare foamable precursor. Cox, a chemist, for a foamable resinous composition. Foam is a lightweight, strong, durable, and pliable material that is becoming one of the leading alternative design materials throughout the automotive industry, aeronautics industry, and construction industry. The most common types of resinous flooring are epoxy, polyurethane and acrylic.
Wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster. This book imparts a sound knowledge of flexible and viscoelastic polyurethane foams from their chemistry to calculations and formulating methodology for quality production. High resilience is a polyurethane foam that has a much higher responsiveness than memory foam, which has a slower response. The freon12 can be mixed with other related compounds to obtain a desired pressure in the aerosol container as is well known.
Q9 for what foamable resinous composition did leonard a. Earlier this year the american media picked up the story, and just for kicks, silly strings manufacturer, donated cases of the product to mrs. A preferred propellant for the composition in the pressurized container is dichlorodifluoromethane. Cox to be a foamable resinous composition basically a spray can you could blast at broken arms and legs to create an instant cast.
In case you are not aware yet, the second tutorial video of foap academy presenting the subject of composition in photography is already published on our youtube channel. Resinous materials are materials that contain resin, a yellow or brown sticky substance produced by plants or an artificial substance that is similar to natural resin. Resources acoustic foam, foam data sheets, tests foam. Embossing composition for preparing textured polymeric. This material is commercially available as freonl2 or genetronl2. Two coffees of different botanical and geographical origins were used. Industry insiders have been exploring ways that foam can be used for a variety of different projects. Know your tech breaks down the scientific technology used in your favorite sneakers and activewear.
Shriver sent a few dozen cans of the foamable resinous composition to her son and began to collect cans for other soldiers, posting notices on bulletin boards and in her church newsletter. The book is the intended to help scientists, engineers and technicians in their efforts to develop practical solutions for industrial design and process manufacturing challenges. This volume presents papers on the physics, chemistry, structure and ultrastructure of foams by contributors from a wide range of backgrounds and research disciplines. The complete resin research epoxy guide this information was gathered from various documents of well known epoxy guru greg loehr developer of resin research. This post originally by dave sherman appeared on the poron cushioning blog. Foamable polypropylene composition comprising a polypropylene resin having a d1238l melt flow rate of from about 0. They are used in a variety of architectural, industrial, medical, and consumer applications. This book is the inaugural volume a series entitled polymeric foams. Espresso coffees were characterized with regard to the amount of total solids. Foam films stabilised by particles foam films and foams. This concoction that propels a plastic string from an aerosol can at many parties and weddings was intended to be a foamable resinous composition to create an instant cast for a brokensprained leg or arm.
Foams and foam materials are made from low density elastomers, plastics, and other materials with various porosities. Antifoaming agents may be added to a liquid to help prevent bubbles from forming. Material composition refrigerators refrigerator verview. New york town takes serious action against silly string. Features fullscreen sharing embed analytics article stories visual stories seo. Generally, thermoplastic and thermoset foams have been treated as two separate practices in industry. The author presents very valuable detailed information on foam manufacturing based on more than 40 years handson experience in the local and international situations. Its a fairy tale that has been so touted to the american consumer that it now has a chiseled instone status. Foam cubes and balls are made of flexible, resilient polyether that compresses under pressure and regains its shape when pressure is released. In business and industry, words are frequently taken from everyday vernacular and redefined to serve a specific purpose.
Brazil coffee dryprocessed arabica and uganda coffee dryprocessed robusta. Data book of thermoset resins for composites is required reading for all those concerned in any way with the manufacture, marketing, use and specification of thermoset resin based composites. A pressurized or aerosol can containing a composition of matter for producing a string of plastic foam is described. You can complete the definition of foam material given by the english definition dictionary with other english dictionaries. R fairy tale, the myth of insulation values by david b. Refrigerators refrigerator verview urban mining material composition crap value in agbogbloshie tools for isassembly tep by tep isassembly health hazards health afety ear a refrigerator contains several hazardous chemicals such as cfcs, pvc, and pur foams as well as mercury in the light bulbs. When designers and engineers want to add soft surfaces to their design concepts, theyre generally left with a few basic foam options to consider. Heat is then applied to the foamable composition sheet at various points to cause the blowing agent at those points to decompose and form a. It describes an aerosol liquid that becomes a slightly tacky string. Examining foams density, weight, and firmness characteristics. Data book of thermoset resins for composites 1st edition. It fully describes all classes of polymeric foam including their chemistry, synthesis, commercial production methods, properties and applications. Silly string, originally known as foamable resinous composition.
The aim of this book is to discuss the many topics related to crude oil. What products 1972 patent describes a foamable resinous composition sprayed from an aerosol can. Foam shapes bumper pack foam collage materials art. Us3268350a us202057a us20205762a us3268350a us 3268350 a us3268350 a us 3268350a us 202057 a us202057 a us 202057a us 20205762 a us20205762 a us 20205762a us 3268350 a us3268350 a us 3268350a authority us united states prior art keywords glass weight percent composition foamable foam prior art date 196206 legal status the legal. In 1972, a united states patent was issued to leonard a.
Another ingredient in the preferred composition in the container is a plasticizer, tackifier or flexibilizer for the resin to obtain a desired balance between adhesiveness to an inert surface and cohesion and plasticity of the resin. Method of making gravure printing plates patent osti. Due to this fact, weve decided to run this mission it will be both a great way to. But the saddest part of this fairy tale is that the rvalue by itself is almost a worthless. Whats silly string, and why is it so sticky and light. Floatation foam polyurethane foam system three resins. These niche languages can unintentionally mislead or confuse people who are familiar with the common meanings of words and phrases, but not an industrys. This book is a mustread for anyone with questions about the nature of urethane foam or its insulating qualities. Nanocellular thermoplastic foam and process for making the same. The aim of the book is to present a unique multidisciplinary cross section of work currently being undertaken on the subject of foams. The melting point of the face sheet material is above the melting point of the foamable precursor material. Insulating with spray polyurethane foam spf for commercial and residential buildings helps reduce air and moisture intrusion, cuts energy bills, strengthens the structure, and protects the internal air from outside airborne pollutants and allergens.