Crosslinking agents imparting

KAURIT M90 imparts a somewhat fuller handle than the reactant-type crosslinking agents. This influence is more noticeable on spun rayons than on cotton. 

Polyacrylamide gels are formed by the copolymerization of acrylamide monomers with a crosslinking agent to form a three-dimensional (3-D) network. The most commonly used crosslinker is N,N -methylene bis-acrylamide (Bis), but there are a variety of alternative reagents which can be used to impart special properties to the gels (see Table... 

Features Crosslinkable with external crosslinking agents can be compded. to high solids with clays, whiting, and alumina trihydrate fillers imparts good tens, str. good adhesion to wide variety of fibers Properties 0.20 p particle size dens. 8.40 Ib/gal vise. 300 cps pH 8.7 anionic 53% solids S/B ratio 58/42... 

Chem. Descrip. Etherified acrylated melamine/formaldehyde resin (62-68%) in tripropylene glycol diacrylate Uses Crosslinking agent in radiation-cure applies, such as polyester and epoxy acrylates, unsat. polyesters, aliphatic and aromatic urethane acrylates, and most acrylate monomer diluents imparts hardness and gloss, stain and chem. resist, to coatings, paper coatings Features Cured by free radical polymerization initiated by U V or thermal processing... 

Hazardous Decomp. Prods. Heated to decomp., emits toxic fumes of CO, CO2, NOx emits toxic fumes under fire conditions Storage Hygroscopic protect from moisture store in cool, dry place keep container closed Uses Imparts water tolerance and vapor permeability to copolymer films latex and water-based coating compositions adhesion improver for cellulosics, concrete, glass crosslinking agent in polyester resins color photography... 

Uses Additive to plastics, esp. to impart thermal stability crosslinking agent for polyester-imide and PU plasticizer for melamine... 

The raw materials are the base polymer, the crosslinking agent (for chemically crosslinked foams), the foaming agent, and several additional additives some of them are included as processing aids others are added to impart specific properties to the foam (carbon black, UV stabilizers, etc.). 

Apart from the effect on the crosslinking efficiency, the use of co-agents in peroxidecuring also imparts the molecular structure of crosslinks. It has been reported that coagents with two or more unsaturated moieties can be incorporated as individual molecules between two elastomer strands to form crosslinks [103-109]. In this way the crosslink structure of peroxide-cured elastomers can be altered. Thus, apart from the expected benefits, such as improved crosslinking efficiency, decreased compound viscosity and faster cure, the use of co-agents may also provide a tool for manipulating mechanical properties. 

---