random copolymer

random copolymer

[′ran·dəm kō′päl·i·mər]
(organic chemistry)
Resin copolymer in which the molecules of each monomer are randomly arranged in the polymer backbone.
References in periodicals archive ?
Key statement: The present invention provides a random copolymer that is used for manufacturing a rubber having high fracture strength and excellent low loss properties (low heat generation properties) and that includes randomly arranged monomer units of a conjugated diene compound and of a non-conjugated olefin, a rubber composition containing the random copolymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a tire manufactured by using the rubber composition or the cross-linked rubber composition.
The new pipe material is an ethylene-propylene random copolymer polypropylene products, water extraction, heat resistance, good compressive strength properties, mainly used in the production of PPR pipe.
The random copolymer containing DMA provides a better miscibility of the shell with several epoxy formulations [21, 22].
Proceeds from the initial public offering are targeted to fund construction of polypropylene random copolymer type and high-density polyethylene manufacturing plant and warehouse as well as purchase equipment.
0]) was changed to obtain core--shell, gradient, and random copolymer latex particles.
Natpet is already considering extending its range of Teldene PP random copolymer grades, clarified with Millad NX 8000, with higher flow properties, which would likely extend its market prospects even further, the statement said.
Leading packaging producer Bormioli Rocco is using a new PP random copolymer containing the class-leading additive to make the caps, intended for pharmaceutical syrups.
Together pipes are projected to grow 10% y-o-y in FY2010/11 to 330,000 tonnes, of which 75% will be PE pipe grade and the remainder PP random copolymer pipe grade (PPR), although PPR is expected to replace PE pipe in coming years.
SABIC has announced an important expansion of its polypropylene (PP) resin portfolio: two new random copolymer PP grades for cast film and biaxially oriented polypropylene (BOPP) film applications.
In contrast to this, the VeoVa tends to form a random copolymer with VA since the reactivity ratios, r1 and r2 values, are near unity in each case.
In a random copolymer, the frequent occurrence of branches along the polymer backbone fragments the chain into a number of shorter sequences.
The '790 patent claims "A linear random copolymer YFAK comprising amino acids tyrosine (Y), phenylalanine (F), alanine (A), and lysine (K)," ).