Examples of 'bisphenol-a' in a sentence
Meaning of "bisphenol-a"
bisphenol-a (noun) - Bisphenol-A is a chemical compound used in the production of certain plastics and resins, although its use has become controversial due to concerns about its potential health effects
How to use "bisphenol-a" in a sentence
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bisphenol-a
Purified bisphenol-A crystals in a liquid phase were formed.
Preferred diepoxides are the glycidyl ethers of bisphenol-A.
Bisphenol-a is a dangerous compound contained in some plastic container.
In particular the crosslinker is a glycidylether of bisphenol-A or triglycidylisocyanurate.
The bisphenol-A solution is filled into the reactor.
A new method for purifiying bisphenol-A has been discovered.
Preferred in this connection is tetrabromo bisphenol-A.
Distillation of the bisphenol-A itself can also be employed.
Preparation of the disodium salt of bisphenol-A.
Diglycidyl ethers of bisphenol-A are particularly preferred.
The preferred polyhydric phenol is bisphenol-A.
Certain embodiments utilize bisphenol-A polycarbonate as the plastic material.
We use biocompatible materials such as composites without bisphenol-A.
It is preferred to use a bisphenol-A epoxy resin.
The preferred diepoxide is the diglycidyl ether of bisphenol-A.
See also
The diepoxy oligomer may be bisphenol-A diglycidyl ether.
The preferred diepoxide resins are polyglycidyl ethers of bisphenol-A.
Surprisingly bisphenol-A is frozen out in its orthorhombic crystalline form.
Examples of phenolic resins include bisphenol-A based phenoxies.
The solid bisphenol-A is dried and is usually in powder form.
The dihydric phenol employed was bisphenol-A.
The bisphenol-A that was recovered by filtration was dried and weighed.
The most preferable aromatic polycarbonate is bisphenol-A polycarbonate.
The bisphenol-A based compounds show good corrosion resistance.
Investigation of degradation to bisphenol-A in sediment.
The quality of bisphenol-A obtained by this process is of extremely high purity.
No disclosure is made in the reference as to the ratio of bisphenol-A to polycarbonate.
Crystalline bisphenol-A having very large and firm crystals is obtained.
Most preferred the epoxy compound is a bisphenol-A epoxy resin.
These bisphenol-A derivatives are generally used, but are not environmentally preferable.
The most usual epoxy employed is of the bisphenol-A type.
A bisphenol-A free acrylic grafted polyether resin prepared by a method comprising.
The invention relates to a process for the manufacture of bisphenol-A.
The commercial preparation of bisphenol-A may be carried out in a number of ways.
Free of harmful chemical components such as formaldehyde, phthalates and bisphenol-A.
The crystallized bisphenol-A may be washed to further increase its purity.
The purified phenol obtained may be used in the production of bisphenol-A.
The bisphenol-A can be made into an etherified adduct by a variety of conventional processes.
A composition according to claim 1 wherein the carbonate is derived from bisphenol-A.
A high purity grade bisphenol-A is most desired for producing aromatic polycarbonates.
The present invention relates to a process for the purification bisphenol-A.
The production of crude bisphenol-A of such purity is well known in the art.
This leaves an aqueous solution of urea and partially precipitated bisphenol-A.
Recovered bisphenol-A is preferably recycled to step a of the process of the present invention.
The art is replete with references directed to the preparation of bisphenol-A.
Particularly preferred epoxy resins are bisphenol-A diglycidyl ether and the like.
The invention is further described in detail with the production of bisphenol-A.
Example 1 Bisphenol-A polycarbonates of varying molecular weights were prepared by standard interfacial reaction.
The visual color of the recovered sample of bisphenol-A was whitish brown.
The bisphenol-A recovered is crude bisphenol-A containing color bodies and metals.
