摘要:
A rotary fibrous insulation product that is soft to the touch is provided. The fibrous insulation product is formed of glass fibers having an average fiber diameter less than about 5.5 microns. The low fiber diameter helps to impart a soft feel to the insulation product. Additionally, the insulation product contains an oil with a flashpoint of at least 580° F. in an amount up to 5% by weight of the insulation product. The insulation product may contain up to about 85% by weight recycled glass. In exemplary embodiments, the binder is a low-formaldehyde, polyacrylic based binder. The combination of the low fiber diameter, the binder, and the oil create a synergistic effect to produce an unexpectedly soft insulation product. The insulation product is useful in a variety of thermal applications, such as in basements, in attics, and in walls of residential dwellings.
摘要:
Biocides for bio-based binder compositions are disclosed. Bio-based binders include those having a nutrient source such as carbohydrate, protein or fat, which can serve as an energy source for organisms to grow in areas that contact binder. Principal areas that contact bio-based binder in a fiberglass insulation manufacturing process include the raw ingredients, the binder chemicals, the prepared binder dispersions, the forming hood and related equipment, the final insulation product and, importantly, the cleaning systems and washwater arising from cleaning the manufacturing equipment and/or forming the product. Frequently the washwater is stored until re-cycled for re-use. Storage may take place in tanks, towers, vats and even outdoor reservoirs, all of which may harbor the growth of unwanted organisms, for which a biocide is desirable.
摘要:
An aqueous binder composition is provided that includes a carbohydrate and a crosslinking agent. In exemplary embodiments, the carbohydrate-based binder composition may also include a catalyst, a coupling agent, a process aid, a crosslinking density enhancer, an extender, a moisture resistant agent, a dedusting oil, a colorant, a corrosion inhibitor, a surfactant, a pH adjuster, and combinations thereof. The carbohydrate may be natural in origin and derived from renewable resources. Additionally, the carbohydrate polymer may have a dextrose equivalent (DE) number from 2 to 20. In at least one exemplary embodiment, the carbohydrate is a water-soluble polysaccharide such as dextrin or maltodextrin and the crosslinking agent is citric acid. Advantageously, the carbohydrates have a low viscosity and cure at moderate temperatures. The environmentally friendly, formaldehyde-free binder may be used in the formation of insulation materials and non-woven chopped strand mats. A method of making fibrous insulation products is also provided.
摘要:
Dispersions of reactive polysiloxanes are applied to fibrous products, such as construction panels to provide improved properties, like better resistance to staining and discoloration and better adhesion of facer layers The reactive polysiloxane may be applied directly to the fibrous product or mixed into binder compositions prior to application; and may be applied substantially uniformly or non-uniformly. The construction panels may form wall and/or ceiling panels. The reactive polysiloxane may include polysiloxanes functionalized with any of hydrogen, amino, hydroxyl or carboxyl reactive functionalities.
摘要:
An aqueous binder composition is provided that includes a protein-containing biomass and a pH adjuster. Optionally, a crosslinking agent and/or a moisture resistant agent may be included in the binder composition. The protein-containing biomass is natural in origin and may be derived from plant or animal sources. The pH adjuster is used to adjust the pH of the binder to a desired pH and lower the viscosity of the protein-based biomass. In addition, the pH adjuster may act as a crosslinking agent. The crosslinking agent may be any compound suitable for crosslinking the protein-containing biomass and reacting with the moisture resistant agent, when the moisture resistant agent is present in the binder. In addition, the binder has a light color after it has been cured. The environmentally friendly, formaldehyde-free binder may be used in the formation of insulation materials and non-woven chopped strand mats.
摘要:
Biocides for bio-based binder compositions are disclosed. Bio-based binders include those having a nutrient source such as carbohydrate, protein or fat, which can serve as an energy source for organisms to grow in areas that contact binder. Principal areas that contact bio-based binder in a fiberglass insulation manufacturing process include the raw ingredients, the binder chemicals, the prepared binder dispersions, the forming hood and related equipment, the final insulation product and, importantly, the cleaning systems and washwater arising from cleaning the manufacturing equipment and/or forming the product. Frequently the washwater is stored until re-cycled for re-use. Storage may take place in tanks, towers, vats and even outdoor reservoirs, all of which may harbor the growth of unwanted organisms, for which a biocide is desirable.
摘要:
An aqueous binder composition is provided that includes a carbohydrate and a crosslinking agent. In exemplary embodiments, the carbohydrate-based binder composition may also include a catalyst, a coupling agent, a process aid, a crosslinking density enhancer, an extender, a moisture resistant agent, a dedusting oil, a colorant, a corrosion inhibitor, a surfactant, a pH adjuster, and combinations thereof. The carbohydrate may be natural in origin and derived from renewable resources. Additionally, the carbohydrate polymer may have a dextrose equivalent (DE) number from 2 to 20. In at least one exemplary embodiment, the carbohydrate is a water-soluble polysaccharide such as dextrin or maltodextrin and the crosslinking agent is citric acid. Advantageously, the carbohydrates have a low viscosity and cure at moderate temperatures. The environmentally friendly, formaldehyde-free binder may be used in the formation of insulation materials and non-woven chopped strand mats. A method of making fibrous insulation products is also provided.
摘要:
An aqueous binder composition is provided that includes a modified starch and a silane coupling agent, and optionally, a crosslinking agent. The starch from which the modified starch is derived is natural in origin, biorenewable, and is derived from plant sources. The modified starch has been chemically modified from its natural form and may have a degree of polymerization from about 20 to about 4000. Additionally, the modified starches have a low viscosity and cure at moderate temperatures. Advantageously, the modified starches are water dispersible and have excellent resistance to water after curing. In addition, the binder has a light color after being cured. The crosslinking agent may be any compound suitable for crosslinking the starch based compound. In exemplary embodiments, the silane coupling agent is an aminosilane. The environmentally friendly, biorenewable binder may be used in the formation of insulation materials and non-woven chopped strand mats.
摘要:
A hydrophobic self-etch dental adhesive composition including a hydrophobic, surfactant-type acidic monomer. The composition may further include hydrophilic and hydrophobic monomers, preferably in a ratio of less than 1:1, and may include a solvent that is an azeotrope.