摘要:
The invention provides compounds and monomers having a carbonate linkage. The monomers can be used to form homopolymers or can be coupled with other monomers to provide a wide variety of non-homopolymers. The invention further provides a wide variety of compositions comprising the compounds, monomers, and polymers. In the exemplary structures below, Q, A, R, and n are as described herein.
摘要:
Provided are modified natural compounds that are produced, at least in part, from (A) at least one epoxidized and/or maleated natural fatty acid, or epoxidized and/or maleated natural oil, and (B) at least one lactam having at least one hydroxyl functional group, wherein the lactam may be in a blend with one or more optional alcohol(s). Among other properties, the modified natural compounds may exhibit dispersibility or solubility characteristics in water and/or alcohols. The invention further provides a wide variety of compositions comprising the modified natural compounds.
摘要:
This invention relates to ruthenium initiators for the ring-opening metathesis polymerization (ROMP) of cyclic olefins that are inactive at room temperature but activatable at elevated temperature (referred to as ("thermally switchable"). In general, these are compounds of ruthenium metal to which are bonded four or five ligands, in which one ligand is a pyridine ring in which the nitrogen is chelated to the ruthenium, or a five or six membered ring incorporating nitrogen and the ruthenium in which the nitrogen is chelated to the ruthenium.
摘要:
Polymers are described that are polymerized from at least one reactive vinyl monomer having acid functionality or a salt thereof, and at least one reactive vinyl monomer having amide functionality. These polymers have a molecular weight from about 500 Da to about 15,000 Da; and may additionally comprise one or more solvent adducts. These polymers may be included in compositions that find use in oilfield applications, such as for inhibition and/or prevention of gas hydrates and/or corrosion.
摘要:
Disclosed herein are compositions that include at least one reactive monomer that includes a lactam functional group and an ester functional group represented by formula (1): and a reactive co-solvent having a carbon-carbon double bond. The reactive monomer is one that is capable of reacting with the co-solvent to form a polymer. The compositions may be an ink composition including curable ink compositions.
摘要:
The present invention provides a new class of thermosetting ring-opening metathesis polymerization materials based on norbornene and oxanorbornene dicarboximide moieties containing at least one acetal ester group linkage. The acetal ester group is degradable when subjected to heat or acidic aqueous hydrolysis. The polymerization materials can be used in reworkable thermosetting compositions. R1-Rs, X, and n are defined herein.
摘要:
The present invention relates to a polymer comprising an N-vinyl amide monomer and a dual functional monomer. In the case where the dual functional monomer incorporates glycidyl methacrylate, a third polymerizable monomer is also included.
摘要:
Branched polymers are prepared from at least (A) at least one monomer having an electron donor moiety, (B) at least one monomer having an electron acceptor moiety, and (C) at least one multifunctional branching agent comprising a urea moiety and at least two N-vinyl groups. The branched polymers are least 20% (by weight) soluble in a solvent for which the corresponding polymer of equal molecular weight made without said multifunctional branching agent is at least 20% (by weight) soluble. Due in part to the wide range of chemistries and solubility and rheological properties, the branched polymers find application in personal care, pharmaceutical/nutritional, and performance chemicals compositions.
摘要:
Provided are novel 4- and 5-substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers, wherein the substituted 1,2,3-triazoles are modified by reaction with a modifying polymer (maleic anhydride based polymer). Depending upon the ratio of the substituted 1,2,3-triazole to the maleic anhydride based polymer employed, the resulting modified polymers can provide maleic anhydride based polymers that are partially or fully reacted with the substituted 1,2,3-triazoles. The resulting modified polymers may be partially or fully opened to provide amic acids, carboxylic acids, carboxylic acidic salts, imides, or esters. The novel 4- or 5- substituted 1,2,3-triazoles, and regioisomer mixtures thereof, modified polymers can be converted to a wide variety of useful polymers and may be employed in a wide variety of compositions. An example of a modified polymer may be represented by the structure:formule : (l) wherein m, n, and q are defined herein.
摘要:
Polymers are provided that offer gas hydrate inhibition, salt tolerance, and high cloud point. The polymers are polymerized from at least (A) 50 mole percent or more of a monomer selected from the group consisting of: N-vinyl-2-caprolactam, one of its analogues, and combinations thereof, (B) an alkenyl sulfonic acid monomer, salt thereof, or combinations thereof, and (C) an TV-vinyl amide, a (meth)acrylamide or one of its analogues, or combinations thereof. In one embodiment, the (A) monomer is N-vinyl-2-caprolactam, the (B) monomer is 2-acrylamido-2- methylpropane sulfonic acid or salt thereof, and the (C) monomer is N-vinyl-2-pyrrolidone, acrylamide, methacrylamide, or combinations thereof.