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Phenol-formaldehyde resin | chemical compound | Britannica

Phenol-formaldehyde resin, also called phenolic resin, any of a number of synthetic resins made by reacting phenol (an aromatic alcohol derived from benzene) with formaldehyde (a reactive gas derived from methane). Phenol-formaldehyde resins were the first completely synthetic polymers to be ...

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SYNTHETIC RESIN COMPOSITION COMPRISING VINASSE

The present invention relates to a synthetic resin comprising at least one hydroxyl aromatic compound, vinasse and an aldehyde. The invention further relates to the method of preparing said synthetic resin and to the use of said synthetic resin for coating a carrier material or preparing HPL or CPL.

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RU2009145961A - Phenol-formaldehyde novolak resin having a ...

1. A solid novolac resin, comprising less than 1.5% free phenol and a sufficient amount of non-phenolic solvent so that the solid novolac resin exhibits a melt viscosity at 150 ° C of less than 5000 cps. ! 2. A solid novolac resin of claim 1 comprising less than 1.0% free phenol and exhibiting a melt viscosity at 150 ° C of less than 4000 cps. !

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RU2009145961A - Phenol-formaldehyde novolak resin having a ...

1. A solid novolac resin, comprising less than 1.5% free phenol and a sufficient amount of non-phenolic solvent so that the solid novolac resin exhibits a melt viscosity at 150 ° C of less than 5000 cps. ! 2. A solid novolac resin of claim 1 comprising less than 1.0% free phenol and exhibiting a melt viscosity at 150 ° C of less than 4000 cps. !

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WO2008141042A1 - Phenol-formaldehyde novolac resin having ...

A phenol-formaldehyde de novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with a solvent having a volatility equal to or less than phenol. Such modified novolac resins are suitable for the production of resin coated molding sands for shell molding and sand cores, as well as ...

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Georgia-Pacific Chemicals Phenolic Resole Resins

Phenolic/Phenol-Formaldehyde (PF) - Resole The phenolic resole resin systems designed by GP Chemicals are used in a wide variety of applications and industries. GP® resins are used in fiber-reinforced polymer (FRP) applications with fire safety concerns or high-temperature requirements such as mine ventilation and offshore water pipe systems.

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SYNTHETIC RESIN COMPOSITION COMPRISING VINASSE

The present invention relates to a synthetic resin comprising at least one hydroxyl aromatic compound, vinasse and an aldehyde. The invention further relates to the method of preparing said synthetic resin and to the use of said synthetic resin for coating a carrier material or preparing HPL or CPL.

Get Price

Synthetic resin composition comprising vinasse - surfactor ...

Aug 12, 2015 · Phenol formaldehyde resins (PF) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Phenolic resins are mainly used in the production of circuit boards. They are better known however for the production of molded products including pool balls, laboratory countertops and as coatings and adhesives.

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Phenol formaldehyde resin - Wikipedia

Phenol formaldehyde resins (PF) or phenolic resins are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde.Used as the basis for Bakelite, PFs were the first commercial synthetic resins (plastics).They have been widely used for the production of molded products including billiard balls, laboratory countertops, and as coatings and adhesives.

Synthetic resin composition comprising vinasse - surfactor ...

Aug 12, 2015 · Phenol formaldehyde resins (PF) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Phenolic resins are mainly used in the production of circuit boards. They are better known however for the production of molded products including pool balls, laboratory countertops and as coatings and adhesives.

Get Price

SYNTHETIC RESIN COMPOSITION COMPRISING VINASSE

The present invention relates to a synthetic resin comprising at least one hydroxyl aromatic compound, vinasse and an aldehyde. The invention further relates to the method of preparing said synthetic resin and to the use of said synthetic resin for coating a carrier material or preparing HPL or CPL.

Get Price

RU2009145961A - Phenol-formaldehyde novolak resin having a ...

1. A solid novolac resin, comprising less than 1.5% free phenol and a sufficient amount of non-phenolic solvent so that the solid novolac resin exhibits a melt viscosity at 150 ° C of less than 5000 cps. ! 2. A solid novolac resin of claim 1 comprising less than 1.0% free phenol and exhibiting a melt viscosity at 150 ° C of less than 4000 cps. !

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WO2008141042A1 - Phenol-formaldehyde novolac resin having ...

A phenol-formaldehyde de novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with a solvent having a volatility equal to or less than phenol. Such modified novolac resins are suitable for the production of resin coated molding sands for shell molding and sand cores, as well as ...

Get Price

Phenolic Novolac And Resol Resins - plenco

Plenco liquid phenolic resol resins with low free phenol and low free formaldehyde contents are available especially for use in adhesive applications. Plastics Engineering Company can also supply low ash content, soluble solid resol resins, and of course a wide range of novolac resin-hexa systems.

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Characterization of Phenol-Formaldehyde Prepolymer Resins ...

Poljanšek and Krajnc Characterization of Phenol-Formaldehyde Prepolymer Resins Characteristic absorbances of the phenolic resin are assigned in Table 3 using the literature.18,19,20 These signals were helpful in identifying the components of the condensation reaction of phenol and formaldehyde.

Comparative Study Of Phenol Formaldehyde And Urea ...

Comparative Study Of Phenol Formaldehyde And Urea Formaldehyde Particleboards From Wood Waste For Sustainable Environment Paul A.P Mamza, Emmanuel C. Ezeh, E.C. Gimba, David Ebuka Arthur. ABSTRACT: This research work was aimed at comparing the properties of particleboards produced from sawdust with phenol formaldehyde and urea formaldehyde resins.

  • Published in: International Journal of Scientific & Technology Research · 2014Authors: Ronald Chikati · Nkosinathi MpofuGet Price

Synthetic resin composition comprising vinasse - surfactor ...

Aug 12, 2015 · Phenol formaldehyde resins (PF) are synthetic polymers obtained by the reaction of phenol or substituted phenol with formaldehyde. Phenolic resins are mainly used in the production of circuit boards. They are better known however for the production of molded products including pool balls, laboratory countertops and as coatings and adhesives.

Get Price

Phenolic Resin - The Chemical Company

WO2008141042A1 - Phenol-formaldehyde novolac resin having ...

A phenol-formaldehyde de novolac resin having a low concentration of free phenol prepared by distilling residual phenol from a molten novolac resin and replacing at least a portion of the phenol with a solvent having a volatility equal to or less than phenol. Such modified novolac resins are suitable for the production of resin coated molding sands for shell molding and sand cores, as well as ...

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PHENOL-FORMALDEHYDE RESIN CAS#: 9003-35-4

Phenol-formaldehyde resin is a synthetic resin, commonly known as phenolic, made by the reaction of phenol and formaldehyde, and employed as a molding material for the making of mechanical and electrical parts. The resins are also used for laminating, coatings, and casting resins.

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