Abstract:
An adhesive may be formulated with a functional component that reacts in the presence of ultraviolet light with a neighboring functional component to form a nonreversible bond therebetween. The functional component may include at least one -C=C- functional group that is able to undergo dimerization with a neighboring component. A method for making the adhesive includes covalently bonding the functional component to a support polymer, wherein the functional component may be covalently bonded to the support polymer by a linking molecule. A kit containing the adhesive and an ultraviolet light source is also provided.
Abstract:
The present disclosure provides compositions for alkyne metathesis catalysts and methods for preparing enediynes and alkyne metathesis catalysts. The disclosure also provides methods for catalyzing alkyne metathesis reactions and polymerization of enediyne substrates to polydiacetylenes in solution-phase.
Abstract:
A two component adhesive system is described. The first component of the system is made from a sulfonated lignin having at least one amine group containing side arm and at least one hydroxyl group containing side arm. The second component of the system is made from a sulfonated lignin having at least one chloroformate group containing side arm.
Abstract:
Methods for producing regioregular poly(aryl ethynyl)-poly(aryl vinyl) and monomers for preparing the regioregular poly(aryl ethynyl)-poly(aryl vinyl) polymers are described herein. Regioregular poly(aryl ethynyl)-poly(aryl vinyl) are useful for electronics, among other things.
Abstract:
An adhesive may be formulated with a functional component that reacts in the presence of ultraviolet light with a neighboring functional component to form a nonreversible bond therebetween. The functional component may include at least one -C=C- functional group that is able to undergo dimerization with a neighboring component. A method for making the adhesive includes covalently bonding the functional component to a support polymer, wherein the functional component may be covalently bonded to the support polymer by a linking molecule. A kit containing the adhesive and an ultraviolet light source is also provided.
Abstract:
Disclosed are compositions and methods directed to environmentally friendly, starch-based adhesives with improved properties and adhesive additives which improve the properties of existing starch-based adhesives. Some embodiments are directed to compositions comprising: a starchbased cross-linked phenolic heteropolymer; a plurality of antimicrobial agents covalently bound to the starch-based cross-linked phenolic heteropolymer; and a plurality of sugar units covalently bound to the starch-based cross-linked phenolic heteropolymer. Some embodiments are directed to modified starch-based adhesives comprising: a starch-based adhesive and an additive, the additive consisting of a starch-based composition comprising a starch-based cross-linked phenolic heteropolymer; a plurality of antimicrobial agents covalently bound to the starch-based cross-linked phenolic heteropolymer; and a plurality of sugar units covalently bound to the starch-based crosslinked phenolic heteropolymer.
Abstract:
Disclosed are two-component lignosulfonate adhesives, methods of synthesizing two-component lignosulfonate adhesives, kits comprising two-component lignosulfonate adhesives and methods of using two-component lignosulfonate adhesives.
Abstract:
Disclosed are antifouling compositions that can include a biopolymeric matrix which is substantially zwitterionic. The compositions may include a biopolymer matrix having positively charged functional groups, negatively charged functional groups, zwitterionic functional groups, or a combination thereof, such that the composition is substantially zwitterionic. The compositions can be used as additives and as compositions further containing a base material such as paint or lacquer. Methods of making and using such compounds and compositions are also disclosed.
Abstract:
Starch-based dextrin adhesive additives and methods of preparation are described. Adhesives containing the additive exhibit antimicrobial properties and increased water solubility. The additive contains at least one sugar unit, at least one polyphenol side chain, and at least one Frechet-type poly (aryl ether) dendron.
Abstract:
Technologies are generally described for a system and method effective to prepare a flame retardant. In one example, a method may include copolymerizing a mixture of monomers. The mixture of monomers may include at least one dicarboxylic acid monomer, at least one diamine monomer, and at least one monomer having the formula (I) wherein Rl is hydroxyl, halogen, alkoxy, or aryloxy; wherein R2 is hydroxyl, halogen, alkoxy, or aryloxy; wherein R3 is H or -L-R5; wherein R4 is H or L-R5; wherein if R3 is H, then R4 is L-R5; wherein L is alkyl, cycloalkyl, aryl, heteroaryl, or -(R6-O-R7)n-; wherein R6 is alkyl, cycloalkyl, aryl, or heteroaryl, wherein R7 is alkyl, cycloalkyl, aryl, or heteroaryl, wherein n is an integer from 1 to 12; wherein R5 is a flame retarding moiety comprising P, N, halogen, or B; and wherein q is an integer from 1 to 12.