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1、 AS 2313.3.12005 Australian Standard Methods of test for single sided and double sided pressure-sensitive adhesive tape Method 3.1: Ageing properties Accelerated ageing AS 2313.3.12005 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 This Australian Standard was prepared by Committee PK-025,
2、 Packaging Code. It was approved on behalf of the Council of Standards Australia on 8 September 2005. This Standard was published on 28 October 2005. The following are represented on Committee PK-025: Australian Paint Manufacturers Federation Canmakers Institute of Australia Department of Defence Pr
3、inting Industries Association of Australia Keeping Standards up-to-date Standards are living documents which reflect progress in science, technology and systems. To maintain their currency, all Standards are periodically reviewed, and new editions are published. Between editions, amendments may be i
4、ssued. Standards may also be withdrawn. It is important that readers assure themselves they are using a current Standard, which should include any amendments which may have been published since the Standard was purchased. Detailed information about Standards can be found by visiting the Standards We
5、b Shop at .au and looking up the relevant Standard in the on-line catalogue. Alternatively, the printed Catalogue provides information current at 1 January each year, and the monthly magazine, The Global Standard, has a full listing of revisions and amendments published each month. Australian Standa
6、rdsTM and other products and services developed by Standards Australia are published and distributed under contract by SAI Global, which operates the Standards Web Shop. We also welcome suggestions for improvement in our Standards, and especially encourage readers to notify us immediately of any app
7、arent inaccuracies or ambiguities. Contact us via email at mailstandards.org.au, or write to the Chief Executive, Standards Australia, GPO Box 476, Sydney, NSW 2001. This Standard was issued in draft form for comment as DR 05177. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 AS 2313.3.120
8、05 Australian Standard Methods of test for single sided and double sided pressure-sensitive adhesive tape Method 3.1: Ageing properties Accelerated ageing Originated as AS Z24.4.11968. Previous edition AS 1635.4.11993. Revised and redesignated as AS 2313.3.12005. COPYRIGHT Standards Australia All ri
9、ghts are reserved. No part of this work may be reproduced or copied in any form or by any means, electronic or mechanical, including photocopying, without the written permission of the publisher. Published by Standards Australia GPO Box 476, Sydney, NSW 2001, Australia ISBN 0 7337 6937 3 Accessed by
10、 UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 AS 2313.3.12005 2 PREFACE This Standard was prepared by the Standards Australia Committee PK-025, Packaging Code to supersede AS 1635.4.11993, Methods of test for pressure-sensitive adhesive tape, Part 4.1: Stability of tape other than cellulose tapeAcce
11、lerated ageing. The objective of this revision is to revise the apparatus and materials used in the test methods of the AS 1635 series. CONTENTS Page 1 SCOPE3 2 REFERENCED DOCUMENTS3 3 REAGENT .3 4 APPARATUS AND MATERIALS.3 5 TEST CONDITIONS4 6 PREPARATION OF TEST SPECIMENS.4 7 PROCEDURE.4 8 CALCULA
12、TION .6 9 TEST REPORT.6 Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 3 AS 2313.3.12005 .au Standards Australia STANDARDS AUSTRALIA Australian Standard Methods of test for single sided and double sided pressure-sensitive adhesive tape Method 3.1: Ageing propertiesAccelerated ageing 1 SCOP
13、E This Standard specifies the method for determining the deterioration of pressure-sensitive adhesive tape, other than cellulose tape, as measured by adhesive strength, and observation of any changes in adhesive properties, after simulating 12 months natural ageing in roll form. 2 REFERENCED DOCUMEN
14、TS The following documents are referred to in this Standard. AS 1683 Methods of test for elastomers 1683.15.2 Method 15.2: Durometer hardness 2193 Calibration and clarification of force measuring systems 3 REAGENT 3.1 Isopropynol Reagent grade is required. NOTE: Acetone, reagent grade may also be us
15、ed. 4 APPARATUS AND MATERIALS The following apparatus and materials are required: (a) Tension testing machine Complying with the requirements of AS 2193 for Grade B machines over suitable load ranges, and having a moving jaw or carriage with a rate of travel of 300 10 mm/min. (b) Electric oven Therm
16、ostatically controlled to a temperature of 65 2C. (c) Humidity cabinet Providing a relative humidity of 80 5% at a temperature of 65 2C with no condensation on the test panels or in the space in which the test panels are placed. The circulation over the test panels shall be regarded as negligible. A
17、lternatively, a desiccator or other suitable vessel containing a saturated solution of ammonium sulfate may be used to provide an atmosphere of approximately 96% relative humidity when maintained at a temperature of 38 2C in a suitably regulated electric oven. Accessed by UNIVERSITY OF SOUTH AUSTRAL
18、IA on 09 May 2008 AS 2313.3.12005 4 Standards Australia .au (d) Stainless steel panels Approximately 50 mm wide, at least 125 mm long, and approximately 1.5 mm thick and finished in the lengthwise direction to a bright annealed finish which has a surface finish of 0.04 m. A minimum of four panels is
19、 required. (e) Steel roller (see Figure 1) Of diameter 80 5 mm and width 45 1 mm, covered with rubber approximately 6 mm thick, and having a durometer hardness of 80 5 Type A degrees (in accordance with AS 1683.15.2). NOTE: The mass of the roller proper (which applies pressure to the specimen) shoul
20、d be 2.0 0.1 kg. It should be so constructed that the mass of the handle is not added to the mass of the roller during use. (f) Fresh absorbent cleaning material These cleaning materials shall be lint free and contain no soluble additives. E.g. surgical gauze, untreated paper tissue. 5 TEST CONDITIO
21、NS Testing shall be conducted at 23 5C and 50 5% relative humidity. 6 PREPARATION OF TEST SPECIMENS The roll shall be conditioned at 23 5C and 50 5% relative humidity for 24 1 h prior to testing. The test specimen shall be at least 250 mm long. 7 PROCEDURE The procedure, which shall be conducted in
22、triplicate, shall be as follows: (a) Dispense the isopropynol (3.1) on the clean stainless steel panel (4(d) and wipe until dry with the fresh absorbent cleaning material (4(f). Repeat this procedure for a total of three washes. Discard cleaned panels showing stains, discoloration or scratches. Avoi
23、d contact of the panel surface with the fingers. NOTE: Either surgical gauze or untreated paper tissue may be used. (b) Take test specimens from a freely rotating conditioned roll, the minimum width of which shall be 6 mm, by manually unrolling the roll radially and discarding the outer three laps o
24、f the roll. NOTE: The speed of removal of the test specimen from the roll is operator-dependent. Usually, a speed of approximately 300 mm/s is attained. (c) Where the width of a roll is 25 mm wide or less, use the test specimens direct. (d) Where a roll is greater than 25 mm wide, cut the roll using
25、 the specimen cutter, to a width of 25 mm. (e) Apply the specimen, adhesive side down, to the centre of the surface of the stainless steel panel and parallel to its long axis. Do not allow the top surface to come in contact with the fingers and other foreign objects, or to become contaminated with d
26、ust. NOTE: Where a test specimen is taken from a roll less than 25 mm wide, cut other strips from the same roll and apply these strips parallel and adjacent to the test specimen to provide a total width of approximately 25 mm, for rolling purposes only. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 0
27、9 May 2008 5 AS 2313.3.12005 .au Standards Australia (f) Remove another test specimen from the freely rotating roll by manually unrolling the roll radially (see Note to Step (b), and, after preparing the specimen, immediately apply it adhesive side down so that it is superimposed on the first test s
28、pecimen on the steel panel, leaving sufficient of the specimen extending beyond the panel to be accommodated in the tensile testing machine. Do not allow the adhesive surface to come in contact with the fingers and other foreign objects, or to become contaminated with dust. NOTE: Note to Step (e). (
29、g) Using the steel roller (4(e), roll the two test specimens on the steel panel, once in each direction along their length at a rate of 5 mm/s. Ensure that no pressure additional to the mass of the roller is applied and that no air bubbles are entrapped. (h) Place the test assembly (two specimens an
30、d steel panel) in the humidity cabinet at 65 2C and 80 5% relative humidity for 96 h. NOTE: Alternatively, the test assembly can be placed in the desiccator at 65 2C and 80 5% relative humidity for 96 h. (i) Remove the test assembly from the humidity cabinet (4(c) or desiccator. Then dry in the elec
31、tric oven (4(b) at 65 2C for 4 h. Condition at 23 5C and 50 5% relative humidity for a minimum of 4 h. (j) Clean a second stainless steel test panel as per Step (a) above. (k) From the test assembly, remove the upper specimen at right angles to the panel. Use this specimen to determine the adhesion
32、strength after ageing. When removing the specimen, quickly observe any changes in the properties of the adhesive which would make the tape unfit for use, e.g. adhesive transfer, adhesive hardening or adhesive softening. NOTE: The speed of removal of the upper specimen is operator-dependent. Usually,
33、 a speed of approximately 300 mm/s is attained. (l) Immediately apply the removed specimen, adhesive side down, to the centre of the surface of the second stainless steel panel and parallel to its long axis leaving sufficient of the specimen extending beyond the panel to be accommodated in the tensi
34、le testing machine. (m) Using the steel roller, roll the test specimen on the steel panel once in each direction along its length at a rate of approximately 50 mm/s. Ensure that no pressure additional to the mass of the roller is applied and that no air bubbles are entrapped. (n) Measure and record
35、the width of the specimen to the nearest 0.5 mm. Allow the specimen to stand for 20 5 min. (o) Double back the free end of the specimen at an angle of 180 degrees and peel off approximately 25 mm of the specimen from the panel at the doubled end. (p) Attach the exposed (doubled) end of the steel pan
36、el to one jaw or carriage of the tension testing machine, and attach the free end of the specimen to the other jaw or carriage of the tension testing machine. (q) Operate the tension testing machine at a uniform speed of 300 10 mm/min so that the specimen continues to double back at an angle of 180
37、degrees and in alignment with itself. (r) Take at least five readings at equidistant intervals as the specimen is peeled from the panel, disregarding the removal, from the steel panel, of the first and the last 20 mm. (s) Reject any specimen which breaks and substitute an additional specimen. (t) Re
38、peat Steps (a) to (s) using two other pairs of test specimens taken from the same roll. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 AS 2313.3.12005 6 Standards Australia .au FIGURE 1 ROLLER FOR ACCELERATED AGEING TEST 8 CALCULATION The adhesion strength after accelerated ageing, in newt
39、ons per 25 millimetres, for each specimen, shall be calculated from the following equation: Adhesion strength after accelerated ageing = specimenupper of width Measured 25 readings ofNumber readings theof Sum . . . (1) 9 TEST REPORT The following information shall be reported: (a) The average adhesi
40、on strength after accelerated ageing of the three specimens taken from the same roll, in newtons per 25 millimetre width to the nearest 0.1 N/25 mm. (b) Any observations regarding changes in adhesive properties after ageing which would make the pressure sensitive tape unfit for use. (c) Reference to
41、 this Australian Standard, i.e. AS 2313.1. Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 7 AS 2313.3.12005 NOTES Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 AS 2313.3.12005 8 NOTES Accessed by UNIVERSITY OF SOUTH AUSTRALIA on 09 May 2008 Standards Australia Standards Australi
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