Crosslinked silane-modified molecularly self-assembling material

A cured manufactured article comprising a crosslinked silane-modified molecularly self-assembling material, which has been prepared by a curing process comprising providing a curable manufactured article comprising a shaped reactive silane-modified molecularly self-assembling material and contacting under curing effective conditions the shaped reactive silane-modified molecularly self-assembling material with a crosslinking effective amount of a curing agent in such a way so as to crosslink molecules of the reactive silane-modified molecularly self-assembling material and give the cured manufactured article;

• wherein the reactive silane-modified molecularly self-assembling material comprises at least one reactive silane functional group covalently bonded to a molecularly self-assembling (MSA) material;
• wherein each reactive silane functional group comprises a halo-silyl or oxy-silyl containing functional group of formula (A):
• wherein indicates the radical;
• each of R11 and R22 independently is RX, (C1-C40)hydrocarbyl, or (C1-C40)heterohydrocarbyl;
• each RX independently is halo, (C1-C40)hydrocarbyl-O—, (C1-C40)heterohydrocarbyl-O—, (C1-C40)hydrocarbyl-C(O)O—, or (C1-C40)heterohydrocarbyl-C(O)O—;
• and Z is a covalent bond (i.e., Z is absent), (C1-C40)hydrocarbylene, or (C1-C40)heterohydrocarbylene;
• and
• Wherein the MSA material, prior to covalent bonding to the at least one halo-silyl or oxy-silyl containing functional group (i.e., premodification MSA material), is an oligomer or polymer comprising repeat units of formula I:
• and at least one second repeat unit selected from the group consisting of the ester-amide repeat units of Formula II and III and V:
• and the ester-urethane repeat unit of Formula W:
• or combinations thereof;
• wherein:
• R is at each occurrence, independently a non-aromatic (C2-C20)hydrocarbylene group, a non-aromatic (C2-C20)heterohydrocarbylene group, or a polyalkylene oxide group having a group molecular weight of from about 100 grams per mole to about 5000 grams per mole;
• R1 at each occurrence independently is a bond or a non-aromatic (C1-C20)hydrocarbylene group or an aromatic (C6-C20)hydrocarbylene group or a phenylene-[het]-phenylene wherein [het] independently is a heteroatom linker O, S, S(O), S(O)2, or N(R3);
• R2 at each occurrence independently is a non-aromatic (C1-C20)hydrocarbylene group;
• RN is —N(R3)—Ra—N(R3)—, where R3 at each occurrence independently is H or a (C2-C6)alkyl and Ra is a non-aromatic (C2-C20)hydrocarbylene group, or RN is a (C2-C20)heterocycloalkyl group containing the two nitrogen atoms, wherein each nitrogen atom is bonded to a carbonyl group according to formula (III) above;
• RN1 is —N(R3)—Rb—N(R3)—, where R3 at each occurrence independently is H or a (C1-C6)alkyl, and Rb is an aromatic (C6-C20)hydrocarbylene group or non-aromatic (C2-C20)hydrocarbylene group or a phenylene-[het]-phenylene wherein [het] is as defined above;
• or RN1 is a (C2-C20)heterocycloalkylene group containing two ring nitrogen atoms that are bonded to different carbonyl groups in formula (V);
• R4 at each occurrence independently is an aromatic (C6-C20)hydrocarbylene group;
• n is at least 1 and has a mean value less than 3;
• and w represents the ester mol fraction of Formula I, and u, x, y and z represent the amide or urethane mole fractions of Formulas V, II, III, and IV, respectively, where w+u+x+y+z=1, and 0<w<1, and at least one of u, x, y and z is greater than zero but less than 1;
• and wherein the oligomer or polymer comprises at least one active hydrogen-containing functional group comprising a carbon-based hydroxyl (C—OH) group, C—N(H)—C group, or C—NH2 group, wherein an active hydrogen atom of the active hydrogen-containing functional group is replaced in the reaction by the reactive silane functional group.