SU321577A1 - - Google Patents
Info
- Publication number
- SU321577A1 SU321577A1 SU1429786A SU1429786A SU321577A1 SU 321577 A1 SU321577 A1 SU 321577A1 SU 1429786 A SU1429786 A SU 1429786A SU 1429786 A SU1429786 A SU 1429786A SU 321577 A1 SU321577 A1 SU 321577A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- freezing
- parchment
- pulp
- base paper
- cellulose
- Prior art date
Links
- 238000000034 method Methods 0.000 description 15
- 238000007710 freezing Methods 0.000 description 12
- 230000008014 freezing Effects 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229920002678 cellulose Polymers 0.000 description 5
- 239000001913 cellulose Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000208278 Hyoscyamus Species 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU321577A1 true SU321577A1 (fr) |
Family
ID=
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