Cured arylcyclobutene ether spirodilactam

Details Cured arylcyclobutene ether spirodilactam Cured arylcyclobutene ether spirodilactam

1990-04-09

1991-10-22

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528323, 528330, C08G 8300

Patent

active

050596748

ABSTRACT:
Arylcyclobutenealkyl ethers of hydroxyaryl-substituted 1,6-diaza [4.4] spirodilactams having a hydroxyaryl substituent on each spiro ring nitrogen atom are self-curing upon application of heat to produce cured products of relatively high glass transition temperature having good physical properties.

REFERENCES:
patent: 4540763 (1985-09-01), Kirchhoff
patent: 4675370 (1987-06-01), Tan et al.
patent: 4687815 (1987-08-01), Wong
patent: 4847388 (1989-07-01), Wang
patent: 4888408 (1989-12-01), Wang
patent: 4968810 (1990-11-01), Wang
Cram et al., "Organic Chemistry," 2nd Ed., 243 (?) (date not provided by USPTC in parent).
Cava et al., J. Am. Chem. Soc., 79, pp. 1706-1709 (1956).

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