EN ISO 10363-1995 en Hot-Melt Adhesives - Determination of Thermal Stability《热熔粘胶剂 热稳定性测定(ISO 10363-1992)》.pdf

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1、 CEN EN*ISO*L03b3 95 3404589 OLL5597 553 = BRITISH STANDARD Hot-melt adhesives - Determination of thermal stability The European Standard EN IS0 10363 : 1995 has the status of a British Standard ICs 83 180 IJW 665.93 : 620.193.94 BS EN IS0 10363 : 1995 CEN EN*ISO*It0363 95 3VOY589 0115598 i.19T = Am

2、d. No. Date BS EN IS0 10363 : 1995 Text affected Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee SW52, Adhesives, upon which the following bodies were represented British Adhesives and Sealants Association British Plastic

3、s Federation British Steel Industry Centre for Adhesive Technology Chemical Industries Association Contract Flooring Association Department of the Environment (Building Research Establishment) Department of “hde and Industry (National Physical Laboratory) European Resin Manufacturers Association Fed

4、eration of the Electronics Industry Institute of Materials Ministry of Defence Society of Motor Manufacturers and Baders Timber Research and Development Association University of Bristol Welding Institute This British Standard, having been prepared under the direction of the Sector Board for Materia

5、is and Chemicals, was published under the authority of the Standards Board and comes into effect on 15 December 1995 O BSI 1995 The following BSI references relate to the work on this standard Committee reference STJ/52 Draft for comment 91/54357 DC ISBN O 680 24494 6 CEN EN+ISO+103b3 95 W 3404589 0

6、115599 326 W BS EN IS0 10363 : 1995 Contents page Committees responsible Inside front cover National foreword ii Foreword 2 1 Scope 3 2 Normative references 3 3 Principle 3 4 Apparatus 5 Procedure 6 Expression of results 7 Precision 8 Test report 4 Annex A (informative) Example of expression of resu

7、lts 5 i CEN EN*IS0*10363 95 W 3404589 OLL5bOO 978 W BS EN IS0 10363 : 1995 National foreword This British Standard has been prepared by Technical Committee STY52 and is the English language version of EN IS0 10363 : 1995 Hot-melt adhesives - Determinution of uzemzal stability, published by the Europ

8、ean Committee for Standardization (CEN). EN IS0 10363 was produced as a result of international discussion in which the United Kingdom participated. Compliance with a British Standard does not of itself confer immunity from legal obligations. CEN EN*ISO*L03b3 95 m 3404589 OLLCbOL 804 m EUROPEAN SIAN

9、DDARD NORME EUROPENNE EUROPmE NORM EN IS0 10363 June 1995 ICs 83.180 Descriptors: plastics, adhesives, thermofusible materials, tests, determination, thermal stability English version Hot-melt adhesives - Determination of thermal stability (IS0 10363 : 1992) Adhsifs thermofusibles - Dtermination de

10、la stabilit thermique thermischen Bestndigkeit (IS0 10363 : 1992) Schmelzklebstoffe - Bestimmung der (IS0 10363 : 1992) This European Standard was approved by GEN on 19950511. CEN members are bound to comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this Euro

11、pean Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English

12、, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finl

13、and, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fur Normung Central Secretariat: rue de Stassart 36, B-1050 B

14、russels O 1995 Copyright reserved to CEN members Ref. No. EN IS0 10363 : 1995 E CEN EN*ISO*L0363 95 m 3404589 OLL5602 740 m Page 2 EN IS0 10363 : 1995 Foreword The text of the Intedonal Standard from ISO/TC 61 Plascs of the Intedonal Organization for Stan-on O) has been taken over as a European Stan

15、dard by the Technical Committee CENITC 193 Adhesives. “his European Standard shall be given the status of a donal standard, either by publication of an identical text or by endorsement, at the latest by December 1995 and conflicting national standards shall be withdrawn at the latest by December 199

16、5. Accordng to the CENKENELEC Internal Regulations, the following countries are bound to implement this European Standard Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kmgdom.

17、 (EN ENUISOUL0363 95 3404589 OLL5b03 687 Page 3 EN IS0 10363 : 1995 Hot-melt adhesives - Determination of thermal st a bi I ity I Scope This International Standard specifies a method for determining the thermal stability of non-reactive hot- melt adhesives at temperatures up to 260 OC. 2 Normative r

18、eferences The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publi- cation, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this Internatio

19、nal Standard are encouraged to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and IS0 maintain registers of cur- rently valid International Standards. IS0 1770: 1981, Solid-stem general purpose ther- mometers. IS0 2555:1989, Plasti

20、cs - Resins in the liquid state or as emulsions or dispersions - Determination of apparent viscosity by the Brookfield Test method. IS0 4625:1980, Binders for paints and varnishes - Determination of softening point - Ring-and-ball method. 3 Principle A quantity of hot-melt adhesive is heated under s

21、pecified conditions. Samples are taken at regular time intervals and any changes in viscosity and in softening point (determined by the “ ring-and-ball“ method) during heating are noted. The maximum temperature and the duration of the test are fixed by agreement between the adhesive user and manufac

22、- turer. 4 Apparatus 4.1 Stainless-steel or glass vessel, external diam- eter 65 mm, height 95 mm, equipped with a loose- fitting lid. 4.2 Oil bath, stirred and capable of being main- tained at the operating temperature recommended by the manufacturer of the hot-melt adhesive. Alterna- tively, a ven

23、tilated oven may be used instead of the oil bath. The oven or bath shall be capable of heating the sample to within f 2 OC of the required tempera- ture. 4.3 Glass stirring rod. 4.4 Apparatus for measuring the softening point by the “ring-and-ball“ method as specified in IS0 4625. 4.5 Apparatus for

24、measuring viscosity, in accord- ance with IS0 2555. 4.6 Thermometer, complying with type T of IS0 1770. 4.7 Balance, capable of weighing to the nearest 0.1 g. 5 Procedure WARNING - For reasons of health and safety, conduct the tests in a ventilated space with a fume extraction system. 5.1 Place the

25、stainless-steel or glass vessel (4.1) in the oil bath or oven (4.2) regulated to heat the sample to within f 2 “C of the operating temperature rec- ommended by the manufacturer of the hot-melt ad- hesive. CEN EN*ISO*LO363 95 = 3404589 OLL5604 513 Page 4 EN IS0 10363 : 1995 5.2 Add a sufficient quant

26、ity of the hot-melt ad- hesive under test to the vessel. Mix well with the glass stirring rod (4.3) until the sample has melted completely. Measure the temperature by inserting the thermometer (4.7) into the sample. Start the timing from this point. Continue to heat the adhesive for 2 h at the opera

27、ting temperature 2 “C to establish thermal equilibrium. 5.3 Measure, at the operating temperature k 2 C, the viscosity in accordance with IS0 2555, making the measurement directly in the stainless-steel or glass vessel, or with the aid of the rotary viscosimeter for measuring viscosity in the molten

28、 state. Using the appropriate amount of adhesive, measure the soften- ing point by the “ ring-and-ball“ method as specified in IS0 4625. 5.4 Repeat all the operations described in 5.3 at regular time intervals of between 4 h and 6 h, until the time, based on pre-determined criteria, for stopping the

29、 test is reached. Record the criteria used and the duration of the test in the test report. If skin formation is observed on the surface of the hot-melt adhesive, the skin shall be removed before each sub- sequent viscosity measurement. If it is not possible to carry out the tests every 4 h to 6 h,

30、care shall be taken to ensure that any gaps in the timing do not occur towards the end of the useful life of the adhesive. 5.5 At the time that each measurement is taken, observe and record whether or not - a skin has formed on the surface of the adhesive; - fumes are being given off; - phase separa

31、tion has occurred; - gelation has occurred; - sedimentation has occurred: 6 Expression of results Tabulate the viscosity in pascal seconds and the softening point in degrees Celsius measured after each of a series of heating intervals (in hours) chosen depending on the nature of the hot-melt adhesiv

32、e and the manufacturers instructions for use. An example of a convenient form of expression of results is shown in annex A. 7 Precision The precision of this test method is not known be- cause inter-laboratory data are not available. When inter-laboratory data are obtained, a precision state- ment w

33、ill be added at a subsequent revision. 8 Test report The test report shall include the following information: a) a reference to this International Standard; b) all details necessary for complete identification of the hot-melt adhesive tested: c) information about sample conditioning; d) the test con

34、ditions, test temperature, time inter- vals between measurements, and conditions of measurement of the viscosity (type of spindle and speed) and of the “ ring-and-ball“ softening point; e) the criterion (or criteria) selected to indicate when to stop the test; f) the duration of the test; g) the tab

35、ulated test results as specifed in clause 6; h) ail procedural details that are optional or not cov- ered by this standard, as well as any incidents that may have affected the results. - any change in colour has occurred. CEN EN*ISO*10363 95 3404589 OLL5605 45T Heating time (h) Page 5 EN IS0 10363 :

36、 1995 Viscosity (type of spindle Softening point (“ring- Remarks and speed) and-bal I “) in accord- ance with (Pass 1 (“C 1 5.5 IS0 4625 IS0 2555 Annex A (informative) Example of expression of results Identification of the hot-melt adhesive: Heating temperature: . “C Test date: . CEN EN*IS0*10363 95

37、 D 3YOY589 OLL5bOb 396 BS EN IS0 10363 : 1995 BSI 389 Chiswick High Road London w4 4AL 9512-C.35k- FP BSI - British Standards Institution BSI is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. I

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