Examples of 'novolak' in a sentence
Meaning of "novolak"
novolak (adjective) - referring to a type of synthetic resin with excellent high-temperature properties, often used in coatings, adhesives, and electronics
How to use "novolak" in a sentence
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novolak
The polyphenol can also be a novolak resin.
Novolak resins and rubber compositions comprising the same.
Another suitable polyether is a phenol formaldehyde novolak resin.
The above novolak resin may be used singly or in combination.
Other preferred polymeric phenols are phenolic novolak resins.
However the novolak resins are contained only in minor amounts.
Preferably phenolic resins comprise cresol and novolak phenols.
Phenolic resins of the novolak type do not contain methylol groups.
An example of a suitable thermosetting polymeric material is a novolak molding powder.
The claimed novolak resins may be prepared in any suitable manner.
Preferred phenolic resins comprise cresol and novolak phenols.
The present novolak resins may be prepared in any suitable manner.
Another preferred curing agent for epoxy resins is a novolak.
The phenolic resin may be a resole or novolak or a combination thereof.
Novolak is synthesized in an acidic reaction media with a stoichiometric deficiency of formaldehyde.
See also
The adduct is then acidified and reacted with an epoxy novolak.
Examples of suitable novolak resins have the following general structure.
This also decreases the aqueous alkaline developer solubility of the underlying novolak.
Novolak resins are well known tackifiers used in a large variety of rubber compositions.
The alkaline solution of the novolak phenolic resin may have any pH.
A novolak resin which is the condensation product of a phenol or cresol with formaldehyde.
The properties of the produced novolak resin were measured by the following testing methods.
Novolak resins which are the condensation products of phenols or cresols with formaldehyde.
Addition of the modified novolak resin can bring about an increase in the tack.
The resole resin is useful herein to initiate the cure of the novolak resin.
The modified novolak resin offers satisfactory effects on the pigment dispersion.
Another quite useful class of polyepoxides are produced from novolak resins or similar polyhydroxyphenol resins.
Examples of both novolak and resole resins in the ester solution were given.
This test showed good results with varied amounts of furfural and resorcinol novolak component.
Representative of the novolak resins are the phenol novolak and cresol novolak resins.
The phenolic resin is generally classified into resol phenolic resins and novolak phenolic resins.
The chains of the novolak phenolic resin therefore have a high degree of freedom.
The phenolic coating composition of the present invention comprises a mixture of novolak and resole resins.
The modified novolak resin in accordance with the present invention will first be described.
Other useful polyepoxide compounds are those made from novolak resins or similar polyhydroxyphenol resins.
Novolak phenol resins include those obtained by the condensation reaction of phenols and formaldehyde.
Most preferable are the bisphenol A type epoxy resins and the novolak type epoxy resins.
She stated that the Novolak resins had finally given the best results.
The nucleophilic component comprises a novolak resin ;.
Suitable polyepoxides are epoxy novolak resins and in particular polyepoxides based on bisphenol A.
Two types are distinguishable, novolak and resol.
In using a novolak phenol resin, a curing agent is required.
Preferably, synthesis of the dispersed novolak is a two stage reaction.
The claimed novolak resins may be prepared by reacting,.
A process according to claim 6 wherein the resin is a novolak resin.
GPC charts of the obtained novolak resins are shown in Fig.
The novolak phenol-type epoxy resins are sometimes preferred.
Bisphenol diglycidyl ether or an epoxy novolak is preferably used as component ( a ).
The novolak phenol-type epoxy resins are especially preferred.
The present invention provides novolak resins prepared by reacting,.
