GB1199507A - Esterified, Graft-Copolymerised Cellulose and process for producing the same - Google Patents
Esterified, Graft-Copolymerised Cellulose and process for producing the sameInfo
- Publication number
- GB1199507A GB1199507A GB1735868A GB1735868A GB1199507A GB 1199507 A GB1199507 A GB 1199507A GB 1735868 A GB1735868 A GB 1735868A GB 1735868 A GB1735868 A GB 1735868A GB 1199507 A GB1199507 A GB 1199507A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cellulose
- esterified
- grafted
- acid
- neutralized
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
- C08F251/02—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof on to cellulose or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Graft Or Block Polymers (AREA)
Abstract
1,199,507. Graft polymers of cellulose. JAPAN GAS-CHEMICAL CO. Inc. 10 April, 1968 [13 April, 1967], No. 17358/68. Heading C3G. Cellulose is graft polymerized with at least one monomer represented by the formula or wherein X is H or CH 3 , Y is -CN, -C 6 H 5 , -CH=CH 2 , -OCOCH 3 , -Cl, -Br or and R is H, an alkyl group having 1 to 12 carbon atoms, -CH 2 CH 2 OR<SP>1</SP> in which R<SP>1</SP> is H or a C 1 to C 4 -alkyl group or in which R<SP>11</SP> and R<SP>111</SP> are H or alkyl groups having 1 to 4 carbon atoms, so that a weight increase of 50% or more is achieved and subsequently esterified with at least one saturated aliphatic acid having 2 to 4 carbon atoms in the form of a free acid, an acid chloride, an acid anhydride or a mixture thereof so that an esterification degree of 30% or more is achieved. The cellulose is, e.g. wood, leaf, stem, bast, seed fibre or pulp cellulose. In the examples, cellulose is (1) grafted with n-butyl methacrylate using ammonium cerium nitrate as initiator, esterified with butyric anhydride and neutralized with ammonia, (2) grafted with ethyl methacrylate in the presence of water and esterified and neutralized as in (1), (3) grafted with methyl methacrylate and styrene by irradiating a cellulose-monomer mixture with ultraviolet rays, and then esterified with butyric acid, (4) grafted with acrylonitrile by the method of (3) and esterified with acetic anhydride, (5) grafted with vinyl chloride in the presence of the aforesaid initiator and water, esterified with acetic acid followed by butyric anhydride and neutralized or (6) grafted with styrene and butadiene in an aqueous dispersion containing said initiator, esterified with acetic and propionic acids and neutralized. Other graft copolymers described are butyrylated or acetylated-butyrylated graft copolymers of methyl methacrylate on cellulose, butyrylated graft copolymers of styrene or vinyl chloride on cellulose and acetylated-propionylated graft copolymers of methyl methacrylate on cellulose.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2358967 | 1967-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1199507A true GB1199507A (en) | 1970-07-22 |
Family
ID=12114756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1735868A Expired GB1199507A (en) | 1967-04-13 | 1968-04-10 | Esterified, Graft-Copolymerised Cellulose and process for producing the same |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1768185A1 (en) |
| GB (1) | GB1199507A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072673A (en) * | 2014-07-18 | 2014-10-01 | 云南中烟工业有限责任公司 | Method for preparing cellulose acetate graft polymer from cellulose according to one-pot method |
| CN104072673B (en) * | 2014-07-18 | 2017-01-04 | 云南中烟工业有限责任公司 | Cellulose one kettle way prepares the method for cellulose acetate graft polymers |
-
1968
- 1968-04-10 GB GB1735868A patent/GB1199507A/en not_active Expired
- 1968-04-10 DE DE19681768185 patent/DE1768185A1/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104072673A (en) * | 2014-07-18 | 2014-10-01 | 云南中烟工业有限责任公司 | Method for preparing cellulose acetate graft polymer from cellulose according to one-pot method |
| CN104072673B (en) * | 2014-07-18 | 2017-01-04 | 云南中烟工业有限责任公司 | Cellulose one kettle way prepares the method for cellulose acetate graft polymers |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1768185A1 (en) | 1972-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |