1、Paints and varnishes WettabilityPart 1: Terminology and general principlesBS ISO 19403-1:2017BSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06 ISO 2017Paints and varnishes Wettability Part 1: Terminology and general principlesPeintures et vernis Mouillabilit Partie 1:
2、 Terminologie et principes gnrauxINTERNATIONAL STANDARDISO19403-1First edition2017-06Reference numberISO 19403-1:2017(E)National forewordThis British Standard is the UK implementation of ISO 19403-1:2017.The UK participation in its preparation was entrusted to Technical Committee STI/10, Test method
3、s for paints.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017 Published
4、by BSI Standards Limited 2017ISBN 978 0 580 87394 2ICS 01.040.87; 87.040Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 July 2017.Amendments/corrigenda issue
5、d since publicationDate Text affected BRITISH STANDARDBS ISO 19403-1:2017 ISO 2017Paints and varnishes Wettability Part 1: Terminology and general principlesPeintures et vernis Mouillabilit Partie 1: Terminologie et principes gnrauxINTERNATIONAL STANDARDISO19403-1First edition2017-06Reference number
6、ISO 19403-1:2017(E)BS ISO 19403-1:2017ISO 19403-1:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, ele
7、ctronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Verni
8、er, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgBS ISO 19403-1:2017ISO 19403-1:2017(E)ii ISO 2017 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2017, Published in SwitzerlandAll rights reserved. Unless otherwise specified, no part of this publication
9、may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISOs member body in the country of t
10、he requester.ISO copyright officeCh. de Blandonnet 8 CP 401CH-1214 Vernier, Geneva, SwitzerlandTel. +41 22 749 01 11Fax +41 22 749 09 47copyrightiso.orgwww.iso.orgISO 19403-1:2017(E)Foreword iv1 Scope . 12 Normative references 13 Terms and definitions . 13.1 Determination of the surface free energy
11、13.2 Determination of the surface tension of liquids . 34 General principles . 54.1 Principles for the determination of the surface free energy . 54.2 Principles for the measurement of the surface tension at the pendant drop . 6Bibliography 9 ISO 2017 All rights reserved iiiContents PageBS ISO 19403
12、-1:2017ISO 19403-1:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested i
13、n a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commis
14、sion (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the different types of ISO documents sho
15、uld be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for
16、 identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any trade name used in this document is information given for the
17、 convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adherence to the World Trade Organization (WTO) principles in th
18、e Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test methods for paints and varnishes.A list of all parts in the ISO 19403 series can be found o
19、n the ISO website.iv ISO 2017 All rights reservedBS ISO 19403-1:2017ISO 19403-1:2017(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out th
20、rough ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collab
21、orates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives, Part 1. In particular the different approval
22、 criteria needed for the different types of ISO documents should be noted. This document was drafted in accordance with the editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).Attention is drawn to the possibility that some of the elements of this document may be the su
23、bject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).Any
24、trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and expressions related to conformity assessment, as well as information about ISOs adh
25、erence to the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL: www .iso .org/ iso/ foreword .html.This document was prepared by Technical Committee ISO/TC 35, Paints and varnishes, Subcommittee SC 9, General test methods for paints and varnish
26、es.A list of all parts in the ISO 19403 series can be found on the ISO website.iv ISO 2017 All rights reserved INTERNATIONAL STANDARD ISO 19403-1:2017(E)Paints and varnishes Wettability Part 1: Terminology and general principles1 ScopeThe ISO 19403 series specifies optical test methods for the measu
27、rement of the contact angle, for the determination of the free surface energy of a solid surface, including the polar and dispersive fractions, for the determination of the surface tension of liquids, including the polar and dispersive fractions, and for the checking of the measurement arrangement w
28、ith reference materials.It can be applied for the characterization of substrates, coatings and coating materials.The applicability can be restricted for liquids with non-Newtonian rheology1).This document specifies terms and definitions and defines the general principles.2 Normative referencesThe fo
29、llowing documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO
30、4618, Paints and varnishes Terms and definitions3 Terms and definitionsFor the purposes of this document, the terms and definitions given in ISO 4618 and the following apply.ISO and IEC maintain terminological databases for use in standardization at the following addresses: IEC Electropedia: availab
31、le at h t t p :/ www .electropedia .org/ ISO Online browsing platform: available at h t t p :/ www .iso .org/ obp3.1 Determination of the surface free energy3.1.1chemical homogeneitychemically homogeneous composition of a surface to be examinedNote 1 to entry: The definition regards a purely qualita
32、tive assessment of the surface. Regarding the measurement of the contact angle, a surface is considered chemically and topologically sufficiently homogeneous if no significant differences of the contact angles can be determined when measuring on several areas on the surface. The significance limits
33、can be specified by the user in accordance with standard laboratory methods.1) This term is defined in DIN 1342-1. ISO 2017 All rights reserved 1BS ISO 19403-1:2017ISO 19403-1:2017(E)3.1.2topological homogeneityuniformity of the macroscopic surface, including evenness and smoothnessNote 1 to entry:
34、The definition regards a purely qualitative assessment of the surface. Regarding the measurement of the contact angle, a surface is considered chemically and topologically sufficiently homogeneous if no significant differences of the contact angles can be determined when measuring on several areas o
35、n the surface. The significance limits can be specified by the user in accordance with standard laboratory methods.3.1.3interfacial free energyinterfacial tensionenergy or tension resulting from intermolecular forces on interfacesNote 1 to entry: The term interfacial energy pertains to the interacti
36、on with solid surfaces and is indicated as free energy in relation to the surface (unit mJ/m2). The term interfacial tension pertains to the interaction with liquids and is indicated as force per length unit (mN/m). The respective indices “l” for “liquid” and “s” for “solid” indicate the phases invo
37、lved.3.1.4surface free energyfree energy of the surfacesinterfacial free energy (3.1.3) of a solid surface3.1.5surface tensionlinterfacial tension of a liquid surface in equilibrium with its vapour phaseNote 1 to entry: The surface tension is indicated as force per length unit (mN/m). Its numerical
38、value corresponds to the free energy of the interface or surface.Note 2 to entry: The surface tension corresponds to the work which shall be done in order to enlarge a given surface by a specific value.3.1.6interfacial energyslenergy on the phase interface between a solid and a liquid phase3.1.7thre
39、e-phase pointpoint at which solid phase, liquid phase and vapour phase are in contact with each otherNote 1 to entry: See Figure 1.3.1.8base linestraight line through both three-phase points (3.1.7)Note 1 to entry: See Figure 1.3.1.9contact angleangle to the base line (3.1.8) within the drop, formed
40、 by means of a tangent on the drop contour through one of the three-phase points (3.1.7)Note 1 to entry: See Figure 1.2 ISO 2017 All rights reservedBS ISO 19403-1:2017ISO 19403-1:2017(E)3.1.2topological homogeneityuniformity of the macroscopic surface, including evenness and smoothnessNote 1 to entr
41、y: The definition regards a purely qualitative assessment of the surface. Regarding the measurement of the contact angle, a surface is considered chemically and topologically sufficiently homogeneous if no significant differences of the contact angles can be determined when measuring on several area
42、s on the surface. The significance limits can be specified by the user in accordance with standard laboratory methods.3.1.3interfacial free energyinterfacial tensionenergy or tension resulting from intermolecular forces on interfacesNote 1 to entry: The term interfacial energy pertains to the intera
43、ction with solid surfaces and is indicated as free energy in relation to the surface (unit mJ/m2). The term interfacial tension pertains to the interaction with liquids and is indicated as force per length unit (mN/m). The respective indices “l” for “liquid” and “s” for “solid” indicate the phases i
44、nvolved.3.1.4surface free energyfree energy of the surfacesinterfacial free energy (3.1.3) of a solid surface3.1.5surface tensionlinterfacial tension of a liquid surface in equilibrium with its vapour phaseNote 1 to entry: The surface tension is indicated as force per length unit (mN/m). Its numeric
45、al value corresponds to the free energy of the interface or surface.Note 2 to entry: The surface tension corresponds to the work which shall be done in order to enlarge a given surface by a specific value.3.1.6interfacial energyslenergy on the phase interface between a solid and a liquid phase3.1.7t
46、hree-phase pointpoint at which solid phase, liquid phase and vapour phase are in contact with each otherNote 1 to entry: See Figure 1.3.1.8base linestraight line through both three-phase points (3.1.7)Note 1 to entry: See Figure 1.3.1.9contact angleangle to the base line (3.1.8) within the drop, for
47、med by means of a tangent on the drop contour through one of the three-phase points (3.1.7)Note 1 to entry: See Figure 1.2 ISO 2017 All rights reserved ISO 19403-1:2017(E)Note 2 to entry: The contact angle is preferably indicated in degrees (). 1 = (/180). If the system is in thermodynamic equilibri
48、um, this contact angle is also referred to as thermodynamic equilibrium contact angle.Key1 three-phase point2 liquidlsurface tension of the liquidssurface free energy of the solid surfaceslinterfacial energy between solid surface and liquid contact angleFigure 1 Wetting3.1.10top-view angleangle to t
49、he plane of the sample surface under which the drop is being observed3.1.11wettingadhesive contact between solid and liquid3.1.12wettabilitydegree of wetting (3.1.11)Note 1 to entry: Contact angle = 0 indicates fully wetted and = 180 indicates not wetted.3.2 Determination of the surface tension of liquids3.2.1pendant dropdrop hanging on a hollow needleNote 1 to entry: The curvature of the contour of a pendant drop is generally determined by its own mass and its surface tension. The surfac
