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A polymer with the generic formula (CH2CHR)n, where R is an alkyl group, is known as a polyolefin. They are mainly produced from a narrow set of simple olefins (alkenes) (alkenes). Polyethylene and polypropylene are predominant in a commercial sense. Polyisobutylene and polymethylpentene are two additional specialty polyolefins.
The molecular weight and degree of crystallinity of polyolefins, which can range from liquidlike to stiff solids, play a major role in determining their properties.
The degree of crystallinity of polyolefins ranges from 0% (liquid-like) more (rigid plastics). The lengths of the polymer’s crystallizable sequences created during polymerization are the main factors controlling crystallinity.
Examples include the sporadic irregular insertions (also known as “stereo” or “regio” defects) during the polymerization of isotactic propylene or the small percentage of comonomer added during the polymerization of ethylene, such as 1-hexene or 1-octene.
The global liquid polyolefin market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
A modified polyolefin in a liquid condition serves as the foundation of the primer and adhesive known as Unistole. Using the polymer modification technology of Mitsui Chemicals, functional groups are added to a base polyolefin to create the modified polyolefin.
These polyolefinic primers and adhesives can be used in automotive, packaging, and paint applications to coat and bond polypropylene (PP) and a variety of engineering plastics, rubber, and other materials that do not attach well.
They can also be used as adhesives to bond metals to polyolefins.UNISTOLE is a liquid-form primer and adhesive that is primarily based on a modified polyolefin that was made by adding a polar group to the polyolefin utilizing specialized technologies.
For a variety of materials in the past, including polyolefin plastics like polyethylene (PE) and polypropylene (PP), which have a reputation for being difficult to adhere to and bond, as well as different engineering plastics, UNISTOLE has been used as a coating, adhesion primer, or even as an adhesive itself.
The UNISTOLE XP series, used for this most recent project under Siemens, also functions as a chemical-resistant dry lamination adhesive and a heat-sealing agent free of benzene, toluene, and xylene (BTX).