ISO 12086-1-2006 塑料.含氟聚合物分散体模塑和挤塑材料.第1部分:命名系统和基本规范

标准号：ISO 12086-1-2006
中文标准名称：塑料.含氟聚合物分散体模塑和挤塑材料.第1部分:命名系统和基本规范
英文标准名称：Plastics - Fluoropolymer dispersions and moulding and extrusion materials - Part 1: Designation system and basis for specifications
标准类型：G31
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：G31
国际标准分类号：83.080.20
适用范围：1.1 This part of ISO 12086 establishes a system of designation for fluoropolymer materials that may beused as the basis for specifications. It covers the homopolymers and various copolymers of fluoromonomersused as dispersions and for moulding, extrusion and other specialized applications. This part of ISO 12086describes the designation system and provides codes and tables of values for the designatory properties. Thedesignation system is applicable both to conventional thermoplastic fluoropolymers, processed by varioustechniques, and those materials that are processed by the unique operations required for thenon-conventional thermoplastic polytetrafluoroethylene. The materials include both the fluorocarbon polymersand the various other fluoropolymers as virgin polymers or processed for reuse or recycling. This part ofISO 12086 also includes an extension of the designation system that provides a basis for specification of thematerials. This basis for specification may be used to prepare specifications related to well-definedapplications. As explained in Clause 5, these specifications will use data blocks 1 to 4 and, if necessary, datablock 5 as a complement, the last-mentioned data block containing the specific requirements in relation to theapplication. Fluoroelastomers are specifically excluded.1.2 Fluoropolymers are long-chain homopolymers and copolymers of fluoromonomers. Fluoropolymers canbe modified with small amounts of different fluoromonomers. In general, provided the polymer is not modifiedwith more than five percent by mass of modifying fluoromonomer(s), it can be classed as the base polymer.PVDF is classed as the base polymer when it is modified during polymerization with up to two percent bymass of additional fluoromonomers in the polymer structure. For PTFE, up to one percent by mass of amodifying comonomer is the limit for the material to be classed as polytetrafluoroethylene. A generaldiscussion of members of the fluoropolymer family is included in Annex C. This part of ISO 12086 isparticularly concerned with, but is not limited to, the materials listed in 4.2. The accepted abbreviated term foreach material is included in 4.2.1.3 The various types of fluoropolymer are differentiated from each other by a classification system basedon the fluoropolymer genus and appropriate levels of the designatory properties, along with information aboutbasic polymer parameters, intended application or method of processing, important properties, additives,colorants, fillers and reinforcing materials. Designatory properties for each fluoropolymer are selected from thegeneral list in 5.4, and those properties to be designated for each fluoropolymer are listed in 5.7 and inAnnexes A and B.1.4 Provision is made for designation of materials involved in reuse and recycling of the fluoropolymerscovered by this part of ISO 12086. A set of designatory properties is provided for reprocessed PTFE becauseof its special requirements. For non-virgin conventional thermoplastic fluoropolymers, the same designatoryproperties as used for virgin materials are used with inclusion of the code Z1, Z2 or Z3 in data block 1 asspecified in Table 1.1.5 It is not intended to imply that materials having the same designation necessarily give the sameperformance. The converse should also be emphasized, i.e. materials with different designations may besuitable for use in the same application. This part of ISO 12086 does not provide engineering data,performance data or processing conditions which may be required to specify materials for particular end-useapplications (see the discussion on use of data block 5 in Clauses 5 and 7). If such additional properties arerequired, they can be determined in accordance with the test methods specified in ISO 12086-2, if suitable.