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In polymer chemistry, polymerisation inhibitors (US: polymerization inhibitors) are chemical compounds added to monomers to prevent their self-polymerisation. Unsaturated monomers such as acrylates, vinyl chloride, butadiene and styrene require inhibitors for both processing and safe transport and storage.
An acrylate polymer (also known as acrylic or polyacrylate) is any of a group of polymers prepared from acrylate monomers. These plastics are noted for their transparency, resistance to breakage, and elasticity. Acrylate polymer is commonly used in cosmetics, such as nail polish, as an adhesive. [1]
The California Homemade Food Act also relaxes many zoning restrictions for CFOs, since traditional bakeries would not be allowed to operate out of a residential area. Nevertheless, Cottage Food Operations will still have to apply for a permit from the County Department of Health and follow numerous other regulations set under the law.
California's new law doesn't ban any foods from public school cafeterias. Instead, manufacturers will have to tweak their recipes to remove the artificial dyes, said the legislator who introduced it.
Other monomer units, such as formaldehyde hydrates or simple aldehydes, are able to polymerize themselves at quite low temperatures (ca. −80 °C) to form trimers; [3] molecules consisting of 3 monomer units, which can cyclize to form ring cyclic structures, or undergo further reactions to form tetramers, [3] or 4 monomer-unit compounds.
California lawmakers have passed a first-of-its-kind bill that would ban six artificial dyes from the foods served in the state’s public schools, sending it to the governor for his signature.
Pullulan and HPMC can also be used as a vegetarian substitute for drug capsules, rather than gelatine. As a food additive, it is known by the E number E1204. Pullulan has also be explored as natural polymeric biomaterials to fabricated injectable scaffold for bone tissue engineering, [2] cartilage tissue engineering, [3] and intervertebral disc ...
Polychlorotrifluoroethylene (PCTFE or PTFCE) is a thermoplastic chlorofluoropolymer with the molecular formula (CF 2 CClF) n, where n is the number of monomer units in the polymer molecule. It is similar to polytetrafluoroethene (PTFE), except that it is a homopolymer of the monomer chlorotrifluoroethylene (CTFE) instead of tetrafluoroethene.