| 摘要 |
A POLYMER COMPOSITION COMPRISING A) A FIRST POLYMER COMPRISING (A) HYDROPHOBIZED NANOPARTICLE; (B) C1 TO C18, STRAIGHT, BRANCHED, OR CYCLIC ALKYL (METH)ACRYLATE; (C) N-METHYLOL (METH)ACRYLAMIDE OR A MONOMER OF FORMULA (I) R (OCH2CH2)AOC(O)C(R1>CH2 (I) WHEREIN R IS HYDROGEN, C1-C4 ALKYL, OR -C(O)-C(R1)=CH2, AND R1 IS H OR -CH3 SAID FIRST POLYMER IN CONTACT WITH B) A SECOND POLYMER COMPRISING (D) A FLUORINATED MONOMER OF FORMULA (II) RF1 -L-X-C(O)-C(R)=CH2 (II) WHEREIN RF1 IS A MONOVALENT, PARTIALLY OR FULLY FLUORINATED, LINEAR OR BRANCHED, ALKYL RADICAL HAVING 2 TO ABOUT 100 CARBON ATOMS; OPTIONALLY INTERRUPTED BY 1 TO ABOUT 50 OXYGEN ATOMS; WHEREIN THE RATIO OF CARBON ATOMS TO OXYGEN ATOMS IS AT LEAST 2:1 AND NO OXYGEN ATOMS ARE BONDED TO EACH OTHER; L IS A BOND OR A LINEAR OR BRANCHED DIVALENT LINKING GROUP HAVING 1 TO ABOUT 20 CARBON ATOMS, SAID LINKING GROUP OPTIONALLY INTERRUPTED BY 1 TO ABOUT 4 HETERO-RADICALS; SELECTED FROM THE GROUP CONSISTING OF -O-, -NR6-.,-S-, SO-, -SO2-, AND -N(R6)C(0)- WHEREIN R6 IS H OR C1 TO C6 ALKYL, AND SAID LINKING GROUP OPTIONALLY SUBSTITUTED WITH CH2C1; X IS -O, N(R)-, OR -S-, WHEREIN R IS H OR CH3 (E) A MONOMER AS DESCRIBED IN (B) ABOVE; AND (F) A MONOMER AS DESCRIBED IN (C ) ABOVE; PROVIDED THAT THE FIRST POLYMER COMPRISES FROM ABOUT 50% TO ABOUT 70 % BY WEIGHT OF THE POLYMER COMPOSITION, AND ITS USE TO PROVIDE OIL REPELLENCY, WATER REPELLENCY, AND DYNAMIC WATER REPELLENCY TO SUBSTRATES. |
