1,153,142. Tubular heat exchangers. COURTAULDS Ltd. 24 Aug., 1966 [25 May, 1965], No. 22153/66. Heading F4S. A heat exchanger comprises tubes of flexible thermoplastic film and consists of an outer tube 3 carrying a liquid to be cooled and one or more coolant carrying tubes 6 ...
As a small business operating in the plastics industry, we have found - through very aggressive recruitment, it was reported by our workers - that a majority of our factory staff during the last six to nine months had become members of the National Union of Metalworkers of SA. Union membe...
7. The method as defined in claim 6, wherein said topcoat layer has a thickness of 10 to 15 micrometer. 8. An decorative plastics product formed through the method as defined in either one of claims 1 to 7. 9. The decorative plastics product as defined in claim 8, which is eithe...
Protecting plastics from degradation during the manufacturing process or extending product life and quality in use can be achieved through the use of polymer stabilizers. Isolde Bachert and Frédéric Werner of the Pigments and Additives Division of Clariant outline some recent developments....
Professor emeritus Mario Garavaglia is conducting research to manufacture the devices through the use of laser stereolithography on acrylic monomers. "This will allow us to custom-design prostheses," says Almvy. The development of hard prostheses, used in place of bones, is complemented by the ...
The addition reaction occurs through the opening of double or triple bonds in the monomer. Each new monomer unit creates an active site for the next attachment. The net reaction is shown in Fig. 1.1. Many plastics are formed by addition polymerization. Some of the plastics created by addition...
HOUSTON (ICIS)–US recycled plastics Senior Editor Emily Friedman and Americas recycled plastics Analyst Josh Dill, reflect on their experiences and key takeaways from the 2024 Paper and Plastics Recycling Conference held in Chicago, Illinois this week. Listen...
1. Avoid 3, 6, and 7 plastics:There is no need to be eating or drinking toxic plastic residues. Identify the type of plastic your product is by looking at the recycling symbol molded on the item. Every plastic product hosts a number from 1 to 7, which is surrounded by three chasing ...
7. Single-use plastic straw: Means a plastic manufactured item, made entirely or in part from plastic, that is formed in the shape of a drinking straw and that (a) contains polystyrene or polyethylene; or (b) changes its physical properties after being run through an electrically operated ho...
7, 2006. BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates generally to forming a sulfonated layer on an article, and more particularly to an apparatus and method for sulfonating an article and the articles made thereby. 2. Background Art Exposure of the surfaces...