Sabic Global Technologies B.v.

Shpp Global Technologies B.v.

Ke Cao

Roy Ray Odle

Timothy Edward Long

Guoliang Liu

Joseph M Dennis

Liu Guoliang

A polyimide oligomer of formula (1a), (1b), a copolymer thereof, or a combination thereof wherein each Gis independently the same or different, and is a cation group; each Gis independently the same or different, and is an anion group; each D is independently the same or different, and is a single bond or Cdivalent hydrocarbon group; each V is independently the same or different, and is a tetravalent Chydrocarbon group; each R is independently the same or different, and is a Cdivalent hydrocarbon group; each n is independently the same or different, and is 1 to 1000, provided that the total of all values of n is greater than 4; and t is 2 to 1000.

Polyetherimide from metal free ionomers

A ureido-pyrimidinone oligomer having the formula (I) wherein each Z' is independently the same or different, and is a substituted or unsubstituted straight or branched chain Calkyl, each Ris independently the same or different, and is a substituted or unsubstituted straight or branched chain Calkylene, substituted or unsubstituted Calkenylene, substituted or unsubstituted Ccycloalkylene, or substituted or unsubstituted Carylene, each V is independently the same or different, and is a substituted or unsubstituted tetravalent Chydrocarbon group, each R is independently the same or different, and is a substituted or unsubstituted Cdivalent hydrocarbon group; and n has an average value of 2 to 50, preferably 3 to 40, more preferably 5 to 30. 

Telechelic poly(imide) oligomers, methods of manufacture, and uses thereof

A polyimide oligomer of the formula wherein G is a group having a valence of t, each R is independently a Cdivalent bridging group, a Calkylene-X, or a Carylene-X wherein &#x2014;X is &#x2014;O-M', &#x2014;C(O)O-M&#x2032;, &#x2014;OC(O)O-M&#x2032;, &#x2014;S-M&#x2032;, &#x2014;S(O)-M&#x2032;, &#x2014;S(O)-M&#x2032;, &#x2014;OS(O)-M&#x2032;, or &#x2014;OP(O)-M&#x2032; wherein each M&#x2032; is independently Li, Na, K, Cs, Mg, Ca, Sr, Cr, Mn, Fe, Co, Ni, Cu, Zn, Cd, B, Al, Ga, In, Ge, Sn, Pb, As, or Sb, provided that at least one R is Calkylene-X or Carylene-X, q is 0 or 1, m is 0 or 1, d is 0 or 1, p is 1 or 2, t is 1 to 6, and each n is independently 1 to 1,000, the total of all values of n is greater than 4, the polyimide oligomer is thermoplastic, and Q, M, D, and V are as provided herein.

Growing community of inventors

Blacksburg, VA, United States of America

Ke Cao