Patent classifications
C08G2261/3322
Process to produce polyolefin ionomers and ionomers produced thereby
A process to produce an ionomer comprising reacting alkyl-cis-cyclooctene and cis-cyclooctene in a mole ratio from 1:0 to 0:1, in the presence of a difunctional chain transfer agent under ring opening metathesis polymerization conditions to form an unsaturated polyolefin reactive telechelic pre-polymer; hydrogenating the unsaturated polyolefin reactive telechelic pre-polymer to produce a hydrogenated polyolefin reactive telechelic pre-polymer; reacting the hydrogenated polyolefin reactive telechelic pre-polymer with at least one compound according to the formula aM.sup.x+b(R).sup.y, wherein M is a metal, x is a charge of M, R is an alkyl, aryl, oxide, or fatty acid, y is a charge of R, a and b are integers of at least 1, and ax+by=0, to form an ionomer is provided. Further provided are ionomers produced thereby.
AQUEOUS COMPOSITIONS BASED ON POLYALKENAMERS
The invention relates to aqueous compositions comprising a) at least one polymer PALK in the form of dispersed polymer particles, wherein the polymer PALK is obtainable by ring-opening metathesis polymerization of at least one cyclic olefin monomer, and b) at least one polymer P2 in the form of dispersed polymer particles, wherein the polymer P2 comprises no olefinically unsaturated CC-bond and has repeating units bearing at least one polar group.
The aqueous compositions are suitable in particular for producing sheetings and barrier coatings having a very good barrier action toward gases, such as air, oxygen, nitrogen, argon, carbon dioxide, and in particular toward oxygen and oxygenous gases, such as air. The sheetings and coatings also have very good mechanical properties, in particular a high elongation at break coupled with good tear strength.
Hydrocarbon-based polymers bearing dithiocyclocarbonate end groups
1) Hydrocarbon-based polymer of formula (I): ##STR00001## in which F.sup.1 and F.sup.2 have the respective formulae (IIa) and (IIb) or (IIa) and (IIb): ##STR00002## a process for its preparation, and use as an adhesive.
Molecular sieves mediated unsaturated hydrocarbon separation and related compositions, materials, methods and systems
Described herein are compositions having an eight-membered monocyclic unsaturated hydrocarbon, methods and system to separate the eight-membered monocyclic unsaturated hydrocarbon from a hydrocarbon mixture including additional nonlinear unsaturated C.sub.8H.sub.2m hydrocarbons with 4?m?8, by contacting the hydrocarbon mixture with a 10-ring pore molecular sieve having a sieving channel with a 10-ring sieving aperture with a minimum crystallographic free diameter greater than 3 ? and a ratio of the maximum crystallographic free diameter to the minimum crystallographic free diameter between 1 and 2, the molecular sieve having a T1/T2 ratio?20:1 wherein T1 is an element independently selected from Si and Ge, and T2 is an element independently selected from Al, B and Ga, the 10-ring pore molecular sieve further having a counterion selected from NH.sub.4.sup.+, Li.sup.+, Na.sup.+, K.sup.+ and Ca.sup.++.
Hydrocarbon polymers having two azlactone end groups
1) Hydrocarbon polymer having two azlactone end groups ##STR00001##
F.sup.1 is formula (IIa) and F.sup.2 is formula (IIb): ##STR00002## g and d are 0, 1, 2 or 3; R.sup.14 and R.sup.15 are C.sub.1-C.sub.4 or a cyclohexyl radical; R.sup.1 to R.sup.12 represents hydrogen or alkyl with 1 to 22 carbon atoms; x and y are integers, x+y is 0 to 2; R.sup.13 is oxygen or sulphur or divalent CH.sub.2 n1, n2, m, p1 and p2 are an integer or equal to 0 and such that the molecular weight Mn of the polymer of formula (I) is between 400 and 100 000 g/mol; a process for preparation of the polymer; and use as adhesive in mixture with an amino compound with at least two amine groups.
Process for preparing polyalkenamers for packaging applications
A process has the ability to produce polyalkenamer-containing compositions. Stages of the process include converting at least one cycloalkene by ring-opening metathetic polymerization to obtain a polyalkenamer-containing product mixture, and working up the product mixture to remove at least one of a monomer and an oligomer of the at least one cycloalkene to obtain the polyalkenamer-containing composition. The working up stage is effected by a diafiltration.
MECHANICAL FORCE SELECTIVELY RESPONSIVE AZIRIDINE POLYMER
The present invention relates to a mechanophore structure of a mechanical force selectively responsive aziridine derivative and a polymer comprising same, wherein, when an aziridine derivative compound is used as a mechanophore to react to mechanical force and thermal stimulus, respectively, a covalent bond of aziridine is selectively broken by mechanical force, and thus, it has been revealed that mechanical force-only selectively responsive aziridine exists. According to the present invention, a polymer containing a mechanical force-only selectively responsive mechanophore can be manufactured, and thus can be widely used in various industrial fields such as new material fields.
Process for preparing polyalkenamers for packaging applications
A process for producing cycloalkenamer-containing compositions involves converting at least one cycloalkene by ring-opening metathetic polymerization to obtain a polyalkenamer-containing product mixture. The product mixture is worked up to remove monomers and oligomers of the cycloalkenes to obtain the polyalkenamer-containing composition by extraction with CO.sub.2. The extraction involves at least two stages: an extraction with liquid CO.sub.2 under the supercritical conditions, and then an extraction with supercritical CO.sub.2. Such cycloalkenamer-containing compositions can be used, for example, in the field of packaging materials, especially for food and drink.
TELECHELIC PREPOLYMERS AND REACTION PRODUCTS THEREOF
Gem-dialkyl cyclooctene monomers, telechelic prepolymers prepared by ring opening metathesis polymerization of the monomers, and polymers such as polyurethanes comprising the reaction product of the prepolymer and a co-monomer such as a polyisocyanate.
POLYMERIZABLE SULFONAMIDE COMPOUNDS AND POLYMERS THEREOF
Methods, compositions, reagents, and systems that allow for the preparation and utilization of sulfonamide salt polymer electrolytes are disclosed herein. Methods and reagents to prepare sulfonamide salt monomers are also disclosed herein. The sulfonamide salt polymer electrolytes can be used as components in energy storage devices, conductive materials, electrochemical cells, gels, adhesives, and drug delivery vehicles.