Examples of 'polytetramethylene' in a sentence
Meaning of "polytetramethylene"
polytetramethylene (noun) - a type of polymer with high tensile strength and heat resistance, commonly used in making fibers or plastic parts
How to use "polytetramethylene" in a sentence
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polytetramethylene
Polytetramethylene ether backbone compositions are particularly preferable.
The preferred polyhydric compound is polytetramethylene ether glycol.
Of these, polytetramethylene glycol is particularly preferable.
A particularly preferred high molecular weight polyol is polytetramethylene glycol.
Other useful polyether diols include polytetramethylene diols obtained by the polymerisation of tetrahydrofuran.
The polyol may also be a polyester polyol or a polytetramethylene glycol.
Other useful polyether polyols include polytetramethylene glycols obtained by the polymerisation of tetrahydrofuran.
Most preferred polyoxyalkylendiols are polyethylene glycol and polytetramethylene ether glycol.
Preferred polyesters include polytetramethylene terephthalate, polyethylene terephthalate, and mixtures thereof.
Polyether glycols that can be used include polytetramethylene ether glycol.
Polytetramethylene ether glycol ( PTMEG ) is the preferred polyether intermediate.
In known materials produced on a large scale they consist of polytetramethylene oxide diol.
Yet other suitable polyether polyols include polytetramethylene glycols obtained by the polymerization of tetrahydrofuran.
Preferred polyethers are selected from polyethylene oxide and polypropylene oxide and polytetramethylene oxide.
Other particularly useful polyether polyols include polytetramethylene glycols obtained by the polymerization of tetrahydrofuran.
See also
These aliphatic alkylene glycol polymers are exemplified by polyoxypropylene glycol and polytetramethylene ether glycol.
Particular polyether diols, the polytetramethylene glycols, have been mentioned above.
Suitable examples of the polyether polyols include polypropylene glycol and polytetramethylene ether glycol.
Preferred saturated polyester resins include polytetramethylene terephthalate, polyethylene terephthalate and a mixture thereof.
Polyether glycols for use in the present invention can include polytetramethylene ether glycol.
Examples of the preferable polyester include polytetramethylene terephthalate, polyethylene terephthalate and a mixture thereof.
With polyethylene glycol, polypropylene glycol or polytetramethylene glycol.
Polytetramethylene ether glycols ( PTMEG ) are commercial items and readily available.
Among them, it is preferred to use polytetramethylene glycol.
Polytetramethylene ether glycol ( PTMEG ) is the most preferred polyol of the invention.
Polyethers ; polyethylene oxide, polypropylene oxide and polytetramethylene oxide.
Polytetramethylene oxide, actually contain reactive groups, e . g.
In formulating the polyurethane prepolymer, polytetramethylene oxide based polyols are preferred.
The emulsifiers contain segments of polyethylene glycol, polypropylene glycol or polytetramethylene glycol.
The carboxylic acid content of the polytetramethylene adipate was about 2 meq / g.
A polyurethane composition according to claim 6, wherein the polyol is based on polytetramethylene oxide.
Examples of the preferable saturated polyester resin include polytetramethylene terephthalate, polyethylene terephthalate and a mixture thereof.
Polyoxyalkylene glycol, in particular diethylene glycol, triethylene glycol, polyethylene glycol or polytetramethylene glycol.
A specific example of such an anionic polyester is polytetramethylene adipate diacid represented by Formula IVA ′.
These polyetherdiamines may themselves originate from polyethylene glycol, polypropylene glycol or polytetramethylene glycol.
Advantageously, said polyether comprises polytetramethylene glycol having a biocarbon content of at least 1 %.
More preferred are polyethylene terephthalates, polytrimethylene terephthalates and polytetramethylene terephthalates.
The starting materials used are polytetramethylene ether glycol, 1,4-butanediol and diphenylmethane diisocyanate.
In contrast, the present invention does not contain a polytetramethylene ether glycol.
Diols can include polytetramethylene glycols, polycaprolactones, polypropylene glycols, and polyethylene glycols.
Examples of polyetherpolyols include polypropylene glycol, and polytetramethylene ether glycol.
Suitable polyether polyols include polytetramethylene ether glycol ; poly ( oxypropylene ) glycol ; and polybutadiene glycol.
It may be selected from polyethylene oxide, polytrimethylene oxide, polytetramethylene oxide blocks.
The polyether blocks are derived from polytetramethylene glycol and have a molecular weight of approximately 1000 g / mol.
From the same viewpoint, another preferred polyether polyol is polytetramethylene glycol.
Polytetramethylene ether glycols ( PTMEG ) satisfying the above-listed criteria are commercially available.
A dispersion according to claim 7 wherein the polymeric diol is a polytetramethylene ether glycol.
Examples include polytetramethylene ether glycol commercially available under the name TERATHANE 2000 from Invista, Inc.
It may be chosen from polyethylene oxide, polytrimethylene oxide and polytetramethylene oxide blocks.
Polytetramethylene ether glycols are commercially available in the Polymeg ® line ( Penn Specialty Chemicals ).
