GB850986A - Improved polyamide compositions - Google Patents
Improved polyamide compositionsInfo
- Publication number
- GB850986A GB850986A GB22289/58A GB2228958A GB850986A GB 850986 A GB850986 A GB 850986A GB 22289/58 A GB22289/58 A GB 22289/58A GB 2228958 A GB2228958 A GB 2228958A GB 850986 A GB850986 A GB 850986A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyhexamethylene
- polyamide
- polyamides
- adipamide
- specified
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Moulding powders are made by melt blending a first synthetic linear polyamide with a second synthetic linear polyamide, the second polyamide having a melting point of between 5 DEG and 100 DEG C. higher than that of the first polyamide and being present in an amount of less than 10% of the total weight of polyamides, and thereafter cooling and disintegrating the blended product. The process of the invention may be effected by tumbling particles of the two polyamides and mixing the tumbled particles in a screw extruder. Specified lower melting polyamides are polycaproamide, poly-11-aminoundecanoic acid, polyhexamthyelene adipamide and polyhexamethylene sebacamide. Specified higher melting polyamides are polyhexamethylene adipamide, polyhexamethylene terephthalamide, interpolymers of hexamethylene diammonium adipate and hexamethylene diammonium terephthalate and poly-bis(p-amino-cyclohexyl) methane adipate. In the examples, polyamide mixtures are made from (1) polyhexamethylene adipamide and an interpolyamide made from hexamethylene diammonium adipate, (2) polyhexamethylene sebacamide and polyhexamethylene adipamide and (3) polycaproamide and polyhexamethylene adipamide, the lower melting point component being specified first in each example.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22289/58A GB850986A (en) | 1958-07-11 | 1958-07-11 | Improved polyamide compositions |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB22289/58A GB850986A (en) | 1958-07-11 | 1958-07-11 | Improved polyamide compositions |
Publications (1)
Publication Number | Publication Date |
---|---|
GB850986A true GB850986A (en) | 1960-10-12 |
Family
ID=10176975
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22289/58A Expired GB850986A (en) | 1958-07-11 | 1958-07-11 | Improved polyamide compositions |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB850986A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128050A (en) * | 1973-04-09 | 1974-12-07 | ||
US5026763A (en) * | 1988-08-09 | 1991-06-25 | Basf Aktiengesellschaft | Polyamide molding materials |
US5359013A (en) * | 1990-11-06 | 1994-10-25 | Alliedsignal Inc. | Polymer nylon compositions featuring improved rates of crystallization and method for forming the same |
US5414051A (en) * | 1991-02-19 | 1995-05-09 | Alliedsignal Inc. | Nylon compositions featuring improved rates of crystallization and methods for forming the same |
-
1958
- 1958-07-11 GB GB22289/58A patent/GB850986A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49128050A (en) * | 1973-04-09 | 1974-12-07 | ||
JPS5639350B2 (en) * | 1973-04-09 | 1981-09-12 | ||
US5026763A (en) * | 1988-08-09 | 1991-06-25 | Basf Aktiengesellschaft | Polyamide molding materials |
US5359013A (en) * | 1990-11-06 | 1994-10-25 | Alliedsignal Inc. | Polymer nylon compositions featuring improved rates of crystallization and method for forming the same |
US5414051A (en) * | 1991-02-19 | 1995-05-09 | Alliedsignal Inc. | Nylon compositions featuring improved rates of crystallization and methods for forming the same |
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