ZA825250B - Method of and apparatus for determining the state of ageing of plastics products - Google Patents

Method of and apparatus for determining the state of ageing of plastics products

Info

Publication number
ZA825250B
ZA825250B ZA825250A ZA825250A ZA825250B ZA 825250 B ZA825250 B ZA 825250B ZA 825250 A ZA825250 A ZA 825250A ZA 825250 A ZA825250 A ZA 825250A ZA 825250 B ZA825250 B ZA 825250B
Authority
ZA
South Africa
Prior art keywords
ageing
state
products
passed
product
Prior art date
Application number
ZA825250A
Other languages
English (en)
Inventor
Johannes Josephus Laarhoven
Jan Peter Van Dongeren
Hendrik De Wit
Louis Marie Smeets
Original Assignee
Wavin Bv
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wavin Bv filed Critical Wavin Bv
Publication of ZA825250B publication Critical patent/ZA825250B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties
    • B07C5/3416—Sorting according to other particular properties according to radiation transmissivity, e.g. for light, x-rays, particle radiation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0078—Testing material properties on manufactured objects
    • G01N33/0081—Containers; Packages; Bottles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/44—Resins; Plastics; Rubber; Leather
    • G01N33/442—Resins; Plastics

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
ZA825250A 1981-07-22 1982-07-22 Method of and apparatus for determining the state of ageing of plastics products ZA825250B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8103468A NL8103468A (nl) 1981-07-22 1981-07-22 Werkwijze en inrichting voor het bepalen van de verouderingstoestand van kunststof produkten.

Publications (1)

Publication Number Publication Date
ZA825250B true ZA825250B (en) 1983-05-25

Family

ID=19837831

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA825250A ZA825250B (en) 1981-07-22 1982-07-22 Method of and apparatus for determining the state of ageing of plastics products

Country Status (12)

Country Link
US (1) US4492867A (da)
EP (1) EP0070610B1 (da)
JP (1) JPS5826250A (da)
AT (1) ATE16734T1 (da)
AU (1) AU560752B2 (da)
BR (1) BR8204249A (da)
DE (1) DE3267681D1 (da)
DK (1) DK157045C (da)
IE (1) IE53174B1 (da)
MX (1) MX151608A (da)
NL (1) NL8103468A (da)
ZA (1) ZA825250B (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3416594C2 (de) * 1984-05-04 1986-03-13 Alexander Schoeller & Co AG, Volketswil, Schwerzenbach Verfahren zum Bestimmen von oxidationsabhängigen Eigenschaften gleichartiger Kunststoffkörper sowie Verwendungen des Verfahrens und Vorrichtung zum Ausführen des Verfahrens an Spritzgußgroßteilen, insbesondere Flaschenkästen
US5150307A (en) * 1990-10-15 1992-09-22 Automation Industrial Control, Inc. Computer-controlled system and method for sorting plastic items
JP3275462B2 (ja) * 1993-07-14 2002-04-15 株式会社日立製作所 リサイクルシステム及びリサイクル方法
GB0102688D0 (en) * 2001-02-02 2001-03-21 Enigma Nv Method for assessing remaining useful life and overall quality of laminating paper
DE102004048028B4 (de) * 2004-09-28 2006-08-24 Bundesanstalt für Materialforschung und -Prüfung (BAM) Prüfvorrichtung für Qualität und Lebensdauer von transparenten Kunststoffplatten und Prüfverfahren
WO2014042771A2 (en) * 2012-07-28 2014-03-20 Harvard Bioscience, Inc. Analytical methods
CN103499551B (zh) * 2013-09-25 2015-07-15 武汉大学 一种鉴定粘结剂粘接界面老化程度的方法
FR3012218B1 (fr) 2013-10-17 2015-12-04 Aircelle Sa Procede d’evaluation de l’endommagement d’un materiau composite recouvert d’une peinture, mesurant sur le spectrogramme deux criteres distincts
SE537611C2 (sv) * 2013-11-22 2015-07-28 Scania Cv Ab Förfarande för att skatta åldring av ett plastmaterial och behållare innefattande ett sådant plastmaterial
KR101944855B1 (ko) * 2014-01-23 2019-02-01 사빅 글로벌 테크놀러지스 비.브이. 열가소성수지의 가속화된 열화에 대한 방법
JP6428513B2 (ja) * 2015-07-07 2018-11-28 日本ポリエチレン株式会社 ポリエチレン樹脂の密度の測定方法
FR3059104B1 (fr) * 2016-11-18 2020-12-11 Electricite De France Dispositif et procede d'estimation d'un parametre d'un materiau polymere
CN115979970A (zh) * 2022-12-16 2023-04-18 青岛汉唐生物科技有限公司 一种医疗仪器自动老化测试系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448268A (en) * 1966-02-10 1969-06-03 American Mach & Foundry Coating inspection method and apparatus using infrared radiation
FR1501766A (fr) * 1966-06-27 1967-11-18 Procédé de contrôle en continu de l'oxydation de la couche plastique lors de la fabrication de feuilles composites
US3524983A (en) * 1966-09-28 1970-08-18 Sinclair Research Inc Process and apparatus for determining the cure characteristics of materials
US3631526A (en) * 1969-11-05 1971-12-28 Brun Sensor Systems Inc Apparatus and methods for eliminating interference effect errors in dual-beam infrared measurements
US3783284A (en) * 1971-10-28 1974-01-01 Texas Instruments Inc Method and apparatus for detection of petroleum products
US4017194A (en) * 1975-09-22 1977-04-12 Anchor Hocking Corporation Apparatus and method for differentiating between polymer coated glass containers and uncoated containers
JPS5922170B2 (ja) * 1976-07-28 1984-05-24 株式会社島津製作所 プラスチツク等の劣化測定装置
GB2060166B (en) * 1979-10-09 1984-03-21 Ag Electron Inc Sorting device and method

Also Published As

Publication number Publication date
US4492867A (en) 1985-01-08
DK157045C (da) 1990-04-02
ATE16734T1 (de) 1985-12-15
DK329082A (da) 1983-01-23
AU560752B2 (en) 1987-04-16
MX151608A (es) 1985-01-10
JPS5826250A (ja) 1983-02-16
AU8619682A (en) 1983-01-27
BR8204249A (pt) 1983-07-12
IE821742L (en) 1983-01-22
DE3267681D1 (en) 1986-01-09
DK157045B (da) 1989-10-30
EP0070610B1 (en) 1985-11-27
NL8103468A (nl) 1983-02-16
IE53174B1 (en) 1988-08-03
EP0070610A1 (en) 1983-01-26

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