Examples of 'polyvinyl acetal' in a sentence
Meaning of "polyvinyl acetal"
Polyvinyl acetal: Refers to a type of polymer or plastic material that is derived from the combination of polyvinyl alcohol and aldehydes
How to use "polyvinyl acetal" in a sentence
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polyvinyl acetal
I preserved it in a one percent solution of polyvinyl acetal resin.
It is known to use polyvinyl acetal dissolved in a solvent as a coating composition.
Another description of polyvinyl formal is modified polyvinyl acetal resins.
The polyvinyl acetal is preferably polyvinyl butyral acetalized by butylaldehyde.
A nitrocellulose based yellow ink was printed on polyvinyl acetal film as micro text.
Polyvinyl acetal resins can be suitably prepared by reacting polyvinyl alcohols with aldehydes.
In one preferred embodiment of the present invention the polyvinyl acetal is a polyvinyl butyral.
Further, said polyvinyl acetal resin may contain vinyl acetate or vinylalcohol.
A molecular weight and a molecular weight distribution of the polyvinyl acetal resin are not specifically limited.
Suitable polyvinyl acetal resins include polyvinyl butyral, and preferably polyvinyl formal.
Examples of the polyvinyl polymer include polyvinyl acetal diethylaminoacetate and a PVA copolymer.
No particular limitation is imposed on the aldehyde used for producing polyvinyl acetal ( b ).
Among these resins, polyvinyl acetal resin is preferable.
Also, softeners which are known to be generally employed in polyvinyl acetal may be used.
Water-soluble polyvinyl acetal has not been readily available commercially until relatively recently.
See also
A method as claimed in claim 10 wherein the polyvinyl acetal is polyvinyl butyral.
The lacquer layer preferably comprises one or more polyvinyl alcohol and / or polyvinyl acetal resins.
In the present invention, the polyvinyl acetal may be polyvinyl butyral.
It 's eternal . I preserved it in a one percent solution of polyvinyl acetal resin.
The degree of acetalization of the polyvinyl acetal ( A ) can be defined by the following formula.
It will last forever . I preserved in a one percent solution of polyvinyl acetal resin.
Specifically, a copolymer of aminoalkylmethacrylate, polyvinyl acetal diethylaminoacetate, poly-L-arginine or the like may be used.
Specific examples of basic macromolecules include aminoalkyl methacrylate copolymer E, polyvinyl acetal diethylaminoacetate, and ethyl cellulose.
The structure of the polyvinyl acetal ( A ) obtained is shown in the following formula ( I ).
The recommended sealer is a mixture of phenol-formaldehyde resin, polyvinyl acetal film former and epoxy resin.
By any method, a slurry in which the polyvinyl acetal ( A ) is dispersed in a medium is obtained.
I preserved it in a 1 - percent solution of polyvinyl acetal resin.
Blood was then passed through a polyvinyl acetal ( PVA ) sponge filter, which removed all visible dye.
The thermoplastic polymer composition according to claim 1, wherein the polyvinyl acetal ( b ) is polyvinyl butyral.
Among these, vinyl acetate polymer derivatives [ e.g. polyvinyl acetal diethyl aminoacetate ( AEA ) ] is especially preferable.
As the plasticizer ( C ), conventional plasticizers used for the polyvinyl acetal ( A ) can be used.
The aldehyde used for the production of the polyvinyl acetal ( B ) is not particularly limited.
In particular, an organic solvent ( D ) which can dissolve a polyvinyl acetal ( A ) is preferable used.
In addition, it is also preferred that the polyvinyl acetal ( B ) is polyvinyl butyral.
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Examples of using Polyvinyl
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Polymethyl methacrylate polyvinyl butyral polyvinyl acetate
Polyvinyl alcohol polyvinyl butyral polyvinyl acetate
Composition based on polyvinyl chloride and polyglutarimide
Examples of using Acetal
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The cyclic acetal compounds were synthesized as follows
No aromatic or heteroaromatic moiety as a component of an ester or acetal
The acetal groups are prepared by known techniques
