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Polyethers segment, molecular weight

The Effect of Polyether Segment Molecular Weight on the Bulk and Surface Morphologies of Copolyether-Urethane—Ureas... [Pg.113]

KNUTSON AND LYMAN Polyether Segment Molecular Weight... [Pg.115]

Lin, J. R., Chen, L. W. (1998b), Study on shape-memory behavior of polyether-based polyurethanes. Part II Influence of soft-segment molecular weight, J. Appl. Polym. Sci., 69,1575-86. [Pg.18]

Commercial thermoplastic polyesters are synthesized in a similar way by the reaction of a relatively high molecular-weight polyether glycol with butanediol and dimethyl terephthalate (14,15). The polyether chain becomes the soft segment in the final product, whereas the terephthaUc acid—butanediol copolymer forms the hard crystalline domains. [Pg.15]

Increasing the molecular weight of polyester (or polyether) or changing its chemical composition could lower the Tg of the TPU and decrease the crystallinity of the polymer. For example, a TPU composed of poly(S-lactone), MDI, and 1,4-butanediol was found to have the lowest degree of crystallinity and, therefore, the best compatibility with PVC when the hard segment in it is 36% by weight [10]. [Pg.139]

See other pages where Polyethers segment, molecular weight is mentioned: [Pg.113]    [Pg.113]    [Pg.304]    [Pg.790]    [Pg.103]    [Pg.104]    [Pg.790]    [Pg.12]    [Pg.481]    [Pg.330]    [Pg.790]    [Pg.113]    [Pg.114]    [Pg.119]    [Pg.121]    [Pg.125]    [Pg.547]    [Pg.205]    [Pg.118]    [Pg.481]    [Pg.306]    [Pg.304]    [Pg.15]    [Pg.189]    [Pg.738]    [Pg.1105]    [Pg.148]    [Pg.191]    [Pg.40]    [Pg.108]    [Pg.109]    [Pg.135]   
See also in sourсe #XX -- [ Pg.109 , Pg.110 , Pg.115 ]



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Molecular segments

Molecular weight polyethers

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