GB2011933A - Preservation of latex - Google Patents
Preservation of latexInfo
- Publication number
- GB2011933A GB2011933A GB7900896A GB7900896A GB2011933A GB 2011933 A GB2011933 A GB 2011933A GB 7900896 A GB7900896 A GB 7900896A GB 7900896 A GB7900896 A GB 7900896A GB 2011933 A GB2011933 A GB 2011933A
- Authority
- GB
- United Kingdom
- Prior art keywords
- latex
- preserved
- hlb
- coagulation
- action
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C1/00—Treatment of rubber latex
- C08C1/02—Chemical or physical treatment of rubber latex before or during concentration
- C08C1/06—Preservation of rubber latex
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/05—Alcohols; Metal alcoholates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Natural rubber field latex is preserved and stabilised against coagulation by using a nonionic surfactant having a hydrophilic lipophilic balance (HLB) value of at least 12 either alone or in combination with small quantities of ammonia. The preferred nonionic surfactants have HLB values from 14 to 20, and include ethylene condensation products of lipophilic especially fatty alcohol residues. The use of this preservative system prevents coagulation whilst permitting bacterial action which can have beneficial effects especially when the latex is gelled by heat or mechanical action. The beneficial bacterial activity can be accelerated by seeding the latex with portions of mature bacteria rich lattices preserved according to the invention.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7900896A GB2011933B (en) | 1978-01-10 | 1979-01-10 | Preservation of latex |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB90678 | 1978-01-10 | ||
GB7900896A GB2011933B (en) | 1978-01-10 | 1979-01-10 | Preservation of latex |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2011933A true GB2011933A (en) | 1979-07-18 |
GB2011933B GB2011933B (en) | 1982-05-19 |
Family
ID=26236271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7900896A Expired GB2011933B (en) | 1978-01-10 | 1979-01-10 | Preservation of latex |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2011933B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630907A1 (en) * | 1993-05-13 | 1994-12-28 | Kao Corporation | Means for stabilizing deproteinized natural rubber latex |
KR100316114B1 (en) * | 1993-05-13 | 2002-02-19 | 가오가부시끼가이샤 | Stabilization of Deproteinized Natural Rubber Latex |
US7989546B2 (en) | 2007-03-07 | 2011-08-02 | Beneo-Orafti S.A. | Natural rubber latex preservation |
US10676597B2 (en) | 2016-10-26 | 2020-06-09 | J. Van Beugen Beheer B.V. | Inflatable stopper |
-
1979
- 1979-01-10 GB GB7900896A patent/GB2011933B/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0630907A1 (en) * | 1993-05-13 | 1994-12-28 | Kao Corporation | Means for stabilizing deproteinized natural rubber latex |
US5610212A (en) * | 1993-05-13 | 1997-03-11 | Kao Corporation | Means for mechanically stabilizing deproteinized natural rubber latex |
CN1068603C (en) * | 1993-05-13 | 2001-07-18 | 花王株式会社 | Means for stabilizing deproteinized natural rubber latex |
KR100316114B1 (en) * | 1993-05-13 | 2002-02-19 | 가오가부시끼가이샤 | Stabilization of Deproteinized Natural Rubber Latex |
US7989546B2 (en) | 2007-03-07 | 2011-08-02 | Beneo-Orafti S.A. | Natural rubber latex preservation |
US10676597B2 (en) | 2016-10-26 | 2020-06-09 | J. Van Beugen Beheer B.V. | Inflatable stopper |
US11345796B2 (en) | 2016-10-26 | 2022-05-31 | J. Van Beugen Beheer B.V. | Inflatable stopper |
Also Published As
Publication number | Publication date |
---|---|
GB2011933B (en) | 1982-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19980110 |