SU204489A1 - - Google Patents

Info

Publication number

SU204489A1

SU204489A1 SU889485A SU889485A SU204489A1 SU 204489 A1 SU204489 A1 SU 204489A1 SU 889485 A SU889485 A SU 889485A SU 889485 A SU889485 A SU 889485A SU 204489 A1 SU204489 A1 SU 204489A1

Authority

SU

USSR - Soviet Union

Prior art keywords

fiber

water

maleic anhydride

temperature

minutes

Prior art date

Links

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• 239000000835 fiber Substances 0.000 description 17
• FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 5
• 238000000034 method Methods 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
• 239000004372 Polyvinyl alcohol Substances 0.000 description 3
• 238000010438 heat treatment Methods 0.000 description 3
• 230000002209 hydrophobic effect Effects 0.000 description 3
• 229920002451 polyvinyl alcohol Polymers 0.000 description 3
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 239000007864 aqueous solution Substances 0.000 description 2
• 238000009835 boiling Methods 0.000 description 2
• BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
• 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
• 235000011130 ammonium sulphate Nutrition 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000005342 ion exchange Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 239000000243 solution Substances 0.000 description 1
• 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1