IE36267B1 - A process for converting a basic material of vegetable nature into a mouldable raw material - Google Patents
A process for converting a basic material of vegetable nature into a mouldable raw materialInfo
- Publication number
- IE36267B1 IE36267B1 IE458/72A IE45872A IE36267B1 IE 36267 B1 IE36267 B1 IE 36267B1 IE 458/72 A IE458/72 A IE 458/72A IE 45872 A IE45872 A IE 45872A IE 36267 B1 IE36267 B1 IE 36267B1
- Authority
- IE
- Ireland
- Prior art keywords
- pulp
- sheet
- kgf
- chemical treatment
- reagent
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Processing Of Solid Wastes (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
1388754 Pulp S G CUCURULL and R R GONZALEZ 30 March 1972 [7 April 1971] 15008/72 Heading D2W Pulp is made from vegetable material by chemical treatment with a deliquifying reagent followed by one or more steps of a mechanical treatment to effect defiberisation of the product resulting from chemical treatment, the resulting pulp having a freeness of 6-30‹SR when tested in accordance with NF-50-003 and a drainage time of 10-120 sees. when 50g. of dry pulp is dispersed in 7 litres H 2 O and drained on a sheet former to form a sheet. Sheet formed from the pulp according to a specified method and having a basis weight of 1500 g/m<SP>2</SP> has the following properties Thickness, mm. 1.5-3.5 Specific Gravity, g/cc. 0.4-1.0 Tensile Strength, Kgf/cm<SP>2</SP> 150-600 Dihedron Penetration, Kgf. cm. 40-100 when measured according to standard specified test methods. The deliguifying reagent may be an alkali or alkaline earth metal hydroxide, ammonium hydroxide, a sulphur compound and/or a hydrotropic salt. Mechanical treatment may be effected in conventional pulpers, stone or disc mills.
[GB1388754A]
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES389989A ES389989A1 (en) | 1971-04-07 | 1971-04-07 | Process for converting a basic material of vegetable nature into a mouldable raw material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IE36267L IE36267L (en) | 1972-10-07 |
| IE36267B1 true IE36267B1 (en) | 1976-09-29 |
Family
ID=8458147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE458/72A IE36267B1 (en) | 1971-04-07 | 1972-04-07 | A process for converting a basic material of vegetable nature into a mouldable raw material |
Country Status (11)
| Country | Link |
|---|---|
| BE (1) | BE781296A (en) |
| DE (1) | DE2216426A1 (en) |
| ES (1) | ES389989A1 (en) |
| FR (1) | FR2136267A5 (en) |
| GB (1) | GB1388754A (en) |
| IE (1) | IE36267B1 (en) |
| IL (1) | IL39089A0 (en) |
| IT (1) | IT959582B (en) |
| LU (1) | LU65068A1 (en) |
| NL (1) | NL7204459A (en) |
| ZA (1) | ZA722218B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0517988A1 (en) * | 1991-06-14 | 1992-12-16 | Envases Naturales S.A. | A process to obtain a molding pulp starting from short fiber cellulose |
-
1971
- 1971-04-07 ES ES389989A patent/ES389989A1/en not_active Expired
-
1972
- 1972-03-27 IL IL39089A patent/IL39089A0/en unknown
- 1972-03-27 BE BE781296A patent/BE781296A/en unknown
- 1972-03-29 LU LU65068D patent/LU65068A1/xx unknown
- 1972-03-30 GB GB1500872A patent/GB1388754A/en not_active Expired
- 1972-03-31 IT IT22655/72A patent/IT959582B/en active
- 1972-04-04 ZA ZA722218A patent/ZA722218B/en unknown
- 1972-04-04 NL NL7204459A patent/NL7204459A/xx unknown
- 1972-04-05 DE DE19722216426 patent/DE2216426A1/en active Pending
- 1972-04-07 IE IE458/72A patent/IE36267B1/en unknown
- 1972-04-07 FR FR7212324A patent/FR2136267A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT959582B (en) | 1973-11-10 |
| DE2216426A1 (en) | 1972-12-07 |
| ZA722218B (en) | 1973-01-31 |
| ES389989A1 (en) | 1973-07-01 |
| FR2136267A5 (en) | 1972-12-22 |
| GB1388754A (en) | 1975-03-26 |
| IE36267L (en) | 1972-10-07 |
| NL7204459A (en) | 1972-10-10 |
| BE781296A (en) | 1972-07-17 |
| IL39089A0 (en) | 1972-05-30 |
| LU65068A1 (en) | 1972-07-11 |
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