GB671948A - Improvements in or relating to a process for the production of formed bodies, especially plates, of lignocellulose without the addition of a binding agent - Google Patents
Improvements in or relating to a process for the production of formed bodies, especially plates, of lignocellulose without the addition of a binding agentInfo
- Publication number
- GB671948A GB671948A GB13933/49A GB1393349A GB671948A GB 671948 A GB671948 A GB 671948A GB 13933/49 A GB13933/49 A GB 13933/49A GB 1393349 A GB1393349 A GB 1393349A GB 671948 A GB671948 A GB 671948A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali
- atmospheres
- substance
- per cent
- defibrated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000011230 binding agent Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 8
- 239000000126 substance Substances 0.000 abstract 8
- 239000000463 material Substances 0.000 abstract 6
- 239000003513 alkali Substances 0.000 abstract 4
- 239000000835 fiber Substances 0.000 abstract 3
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 239000010426 asphalt Substances 0.000 abstract 2
- DSEKYWAQQVUQTP-XEWMWGOFSA-N (2r,4r,4as,6as,6as,6br,8ar,12ar,14as,14bs)-2-hydroxy-4,4a,6a,6b,8a,11,11,14a-octamethyl-2,4,5,6,6a,7,8,9,10,12,12a,13,14,14b-tetradecahydro-1h-picen-3-one Chemical compound C([C@H]1[C@]2(C)CC[C@@]34C)C(C)(C)CC[C@]1(C)CC[C@]2(C)[C@H]4CC[C@@]1(C)[C@H]3C[C@@H](O)C(=O)[C@@H]1C DSEKYWAQQVUQTP-XEWMWGOFSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 229940037003 alum Drugs 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 abstract 1
- 229920005610 lignin Polymers 0.000 abstract 1
- 239000012978 lignocellulosic material Substances 0.000 abstract 1
- 239000012170 montan wax Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000003472 neutralizing effect Effects 0.000 abstract 1
- 239000012188 paraffin wax Substances 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 238000009489 vacuum treatment Methods 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J1/00—Fibreboard
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
- C08L95/005—Aqueous compositions, e.g. emulsions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Wood Science & Technology (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Paper (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT171275T | 1948-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB671948A true GB671948A (en) | 1952-05-14 |
Family
ID=3656187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13933/49A Expired GB671948A (en) | 1948-06-09 | 1949-05-25 | Improvements in or relating to a process for the production of formed bodies, especially plates, of lignocellulose without the addition of a binding agent |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT171275B (enrdf_load_stackoverflow) |
| BE (1) | BE489432A (enrdf_load_stackoverflow) |
| DE (1) | DE838214C (enrdf_load_stackoverflow) |
| FR (1) | FR987816A (enrdf_load_stackoverflow) |
| GB (1) | GB671948A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1033405B (de) * | 1953-03-21 | 1958-07-03 | Hoechst Ag | Verfahren zur Herstellung von Formkoerpern |
| DE961307C (de) * | 1953-08-20 | 1957-04-04 | Rudolf Lawerentz | Verfahren zur Herstellung von Formkoerpern aus vorgetrockneten Holzspaenen |
-
1948
- 1948-06-09 AT AT171275D patent/AT171275B/de active
-
1949
- 1949-05-25 GB GB13933/49A patent/GB671948A/en not_active Expired
- 1949-05-28 DE DEP44153A patent/DE838214C/de not_active Expired
- 1949-06-03 BE BE489432D patent/BE489432A/xx unknown
- 1949-06-04 FR FR987816D patent/FR987816A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE838214C (de) | 1952-05-05 |
| FR987816A (fr) | 1951-08-20 |
| BE489432A (enrdf_load_stackoverflow) | 1949-06-20 |
| AT171275B (de) | 1952-05-10 |
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