Fiberglass formulation

Peroxides have many uses in polymer manufacture. They are used as initiators in radical polymerization processes such as the formation of PVC, polystyrene, and low density polyethylene. They can also be added in a polymer formulation for various reasons. Sometimes this is to crosslink an unsaturated polymer such as unsaturated polyesters used in fiberglass formulations. Other times it is to graft one polymer to another chemical or polymer by a radical reaction. The choice of the peroxide is dictated by considerations such as storage stability, solubility, and decomposition to form radicals at a temperature near the desired reaction. Common peroxides include benzoyl peroxide, di-t-butylperoxide, and dicumylperoxide (DICUP). 

Uses Secondary plasticizer for polyvinyl chloride in polyester resins to increase strength of fiberglass varnish formulations to improve water and alkali resistance as an insulator fluid for electric condensers and as an additive in very high pressure lubricants. In fluorescent and high-intensity discharge ballasts manufactured prior to 1979 (U.S. EPA, 1998). 

Hanak et al (9) presented a paper regarding the use of propoxylated Mannich adducts for the production of continuous laminates and fiberglass-reinforced molded rigid foam characterized by CFC reduction or elimination. Table 46 shows an example of the formulation and process conditions employed (9). 

In the growing plastics industry, there is often need to identify polymer formulations. Whether the analysis is done to reproduce the material, identify another supplier, or provide insight into the cause of failure, the filler is an important aspect. Fillers are used for several reasons to extend the amount of polymer for overall eost reduction, to add structural stability or impart specific physical characteristics to the polymer sueh as chemical, temperature, or flame resistance, or to add eolor to a polymer. Several commonly occurring fillers include silicates, aluminum trihydrate, ealcium carbonate, fiberglass, and tale. These fillers have eharacteristic FTIR bands whieh can be easily identified within a speetrum of the polymer. The amount of filler present in the formulation can be of great importanee to the performanee of the polymer. 

Uses Epoxy for film adhesives, fiberglass-reinforced plastics, chem. resist. pipe, elec, dip coatings, varnishes, solv.-free formulations, fiber finishes, industrial textile applies. 

Uses Heat costabilizer for PVC binder in prep, of laminates of paper, polyester cloth, fiberglass cloth, wood sheets making castings and pottings formulating lightweight foams Manuf./Distrib. ABCR Sigma... 

Uses Heat costabilizer for PVC binder in prep, of laminates of paper, polyester cloth, fiberglass cloth, wood sheets making castings and pottings formulating lightweight foams Manuf./Disthb. ABCR http //www.abcr.de, Sigma Trade Name Synonyms Epi-Rez 509 [Resolution Perf. Prods. http //WWW. resins, com, http //www. resins-versatics.com], Epi-Rez 510 f[Resolution Perf. Prods, http //www.resins.com, http //www. resins-versatics. com] Epi-Rez 520-C [Resolution Perf. Prods. http //WWW. resins, com, http //www. resins-versatics.com], Epi-Rez 522-C [Resolution Perf. Prods, http //www.resins.com, http //www.resins-versatics.com], Epi-Rez 530-C [Resolution Perf. Prods. http //WWW.resins.com, http //www.resins-versatics.com]... 

PPE was also blended with some commercial epoxy resins (Chao et al. 1993) to improve the dielectric properties (lower the dielectric constant), toughness, and moisture resistance of the cured thermoset. These formulations with fiberglass reinforcements were used for the printed circuit boards and other electronic applications. In one formulation of epoxy resin (Epon 825, Shell) cured with aluminum alkoxide, incorporation of 30 % PPE increased the tensile elongation at break for the epoxy thermoset from <2 % to 17 %. The HOT was increased from 60 °C to 195 °C. The dissolution of PPE in the epoxy raised its viscosity from 0.2 to 400 Pa.s. (Anonymous 1991). 

The addition of chopped fiberglass reinforcement or flame retarding materials during foam formulation proved harmful to thermal performance and/or the useful life of the foams. Vapor barriers had little Influence on the thermal performance however, they enhanced structural integrity. 

California. Roofs are of Fiberglass fabric coated with a new formulation which incorporates Teflon fluorocarbon resin. (Courtesy E. /. Du PontdeNemours [Pg.147]

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