FR2430609A1 - Appts. for rapid light ageing of small thin strips of plastics - esp. crosslinked polyolefin cable sheathing maintained at an elevated temperature - Google Patents
Appts. for rapid light ageing of small thin strips of plastics - esp. crosslinked polyolefin cable sheathing maintained at an elevated temperatureInfo
- Publication number
- FR2430609A1 FR2430609A1 FR7820273A FR7820273A FR2430609A1 FR 2430609 A1 FR2430609 A1 FR 2430609A1 FR 7820273 A FR7820273 A FR 7820273A FR 7820273 A FR7820273 A FR 7820273A FR 2430609 A1 FR2430609 A1 FR 2430609A1
- Authority
- FR
- France
- Prior art keywords
- specimens
- light
- esp
- plastics
- appts
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
Abstract
Apparatus for light-ageint test specimens comprising thin strips held in a vertical clamp comprises an enclosure into which a narrow beam of light from a high pressure mercury vapour lamp enters via a filter window and through which a draught of air is passed at a controlled temperature. Used for accelerated light ageing of plastics materials tested as strips =0.5 mm thick. Esp. suitable for testing crosslinked polyethylene cable insulation or sheathing compounds, opt. as specimens cut from cables. The small specimens responds relatively rapidly to the effects of the concentrated beam of light. The temperature of the thin specimens responds rapidly to the atmospheric tempertures within the chamber, and are readily controlled relative to temperatures measured by thermocouples which may be in contact with the specimens.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7820273A FR2430609A1 (en) | 1978-07-07 | 1978-07-07 | Appts. for rapid light ageing of small thin strips of plastics - esp. crosslinked polyolefin cable sheathing maintained at an elevated temperature |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7820273A FR2430609A1 (en) | 1978-07-07 | 1978-07-07 | Appts. for rapid light ageing of small thin strips of plastics - esp. crosslinked polyolefin cable sheathing maintained at an elevated temperature |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2430609A1 true FR2430609A1 (en) | 1980-02-01 |
FR2430609B1 FR2430609B1 (en) | 1982-01-08 |
Family
ID=9210445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7820273A Granted FR2430609A1 (en) | 1978-07-07 | 1978-07-07 | Appts. for rapid light ageing of small thin strips of plastics - esp. crosslinked polyolefin cable sheathing maintained at an elevated temperature |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2430609A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2555749A1 (en) * | 1983-11-30 | 1985-05-31 | Iwasaki Electric Co Ltd | METHOD AND APPARATUS FOR PRE-EVALUATION FOR A RESISTANCE TEST OF THE INTEMPERIES |
EP0289436A2 (en) * | 1987-04-28 | 1988-11-02 | Universite De Clermont Ii Laboratoire De Photochimie | Device for the accelerated aging of materials containing polymers by optical radiation |
US7353722B2 (en) * | 2003-09-18 | 2008-04-08 | Atlas Material Testing Technology Gmbh | Contactless measurement of the surface temperature of naturally or artificially weathered samples |
EP1947444A2 (en) * | 2007-01-17 | 2008-07-23 | Atlas Material Testing Technology GmbH | Device for testing light or weathering containing a sample housing with integrated UV radiation filter |
WO2014116795A1 (en) * | 2013-01-23 | 2014-07-31 | Sabic Innovative Plastics Ip B.V. | Method for determining degradation of thermoplastics |
US9897551B2 (en) | 2013-01-23 | 2018-02-20 | Sabic Global Technologies B.V. | Method for accelerated degradation of thermoplastics |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1489434A (en) * | 1965-08-12 | 1967-07-21 | Metrimpex Magyar Mueszeripari | Apparatus for the quantitative study of oxidation processes in light and heat |
US3675477A (en) * | 1970-10-29 | 1972-07-11 | Avco Corp | Testing method and device using filtered ultra violet radiation |
US3693020A (en) * | 1969-11-04 | 1972-09-19 | M & T Chemicals Inc | Photodegradometer |
-
1978
- 1978-07-07 FR FR7820273A patent/FR2430609A1/en active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1489434A (en) * | 1965-08-12 | 1967-07-21 | Metrimpex Magyar Mueszeripari | Apparatus for the quantitative study of oxidation processes in light and heat |
US3693020A (en) * | 1969-11-04 | 1972-09-19 | M & T Chemicals Inc | Photodegradometer |
US3675477A (en) * | 1970-10-29 | 1972-07-11 | Avco Corp | Testing method and device using filtered ultra violet radiation |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2555749A1 (en) * | 1983-11-30 | 1985-05-31 | Iwasaki Electric Co Ltd | METHOD AND APPARATUS FOR PRE-EVALUATION FOR A RESISTANCE TEST OF THE INTEMPERIES |
EP0289436A2 (en) * | 1987-04-28 | 1988-11-02 | Universite De Clermont Ii Laboratoire De Photochimie | Device for the accelerated aging of materials containing polymers by optical radiation |
FR2614699A1 (en) * | 1987-04-28 | 1988-11-04 | Cezeaux Labo Photochimie Ens U | DEVICE FOR ACCELERATED PHOTOVEMENTION OF MATERIALS CONTAINING POLYMERIC MATERIALS |
EP0289436A3 (en) * | 1987-04-28 | 1989-09-13 | Universite De Clermont Ii Laboratoire De Photochimie | Circuit for the accelerated aging of materials containing polymers by optical radiation |
US7353722B2 (en) * | 2003-09-18 | 2008-04-08 | Atlas Material Testing Technology Gmbh | Contactless measurement of the surface temperature of naturally or artificially weathered samples |
EP1947444A2 (en) * | 2007-01-17 | 2008-07-23 | Atlas Material Testing Technology GmbH | Device for testing light or weathering containing a sample housing with integrated UV radiation filter |
EP1947444A3 (en) * | 2007-01-17 | 2009-02-11 | Atlas Material Testing Technology GmbH | Device for testing light or weathering containing a sample housing with integrated UV radiation filter |
WO2014116795A1 (en) * | 2013-01-23 | 2014-07-31 | Sabic Innovative Plastics Ip B.V. | Method for determining degradation of thermoplastics |
CN104937392A (en) * | 2013-01-23 | 2015-09-23 | 沙特基础全球技术有限公司 | Method for determining degradation of thermoplastics |
US9557218B2 (en) | 2013-01-23 | 2017-01-31 | Sabic Global Technologies B.V. | Method for determining degradation of thermoplastics |
US9897551B2 (en) | 2013-01-23 | 2018-02-20 | Sabic Global Technologies B.V. | Method for accelerated degradation of thermoplastics |
US9921145B2 (en) | 2013-01-23 | 2018-03-20 | Sabic Global Technologies B.V. | Method for determining degradation of thermoplastics |
CN104937392B (en) * | 2013-01-23 | 2018-09-25 | 沙特基础全球技术有限公司 | Method for the degeneration for measuring thermoplastic material |
Also Published As
Publication number | Publication date |
---|---|
FR2430609B1 (en) | 1982-01-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |