1、Designation:D644010Standard Terminology Relating toHydrocarbon Resins1This standard is issued under the fixed designation D6440;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicat
2、es the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 The hydrocarbon resin industry continues to evolvefrom a source of replacement products for naturally-derivedmaterials to industrial materials that have no naturally-de
3、rivedcounterparts.Along with this changing character of theindustry,various manufacturing participants have introducedterms that have led to confusion among both manufacturers andconsumers.This terminology standard is intended to alleviatethat confusion and promote standard usage of terms in thehydr
4、ocarbon resin industry.1.2 Resins derived principally from natural terpene fractionsare under the jurisdiction of D01.34.2.Terminology2.1 Definitions:C5aliphatic resin,na resin produced by the cationicpolymerization of a low-boiling aliphatic steam-crackerfraction.DISCUSSIONThe principal monomers ar
5、e typically cis-and trans-piperylene(1,3pentadiene).C9aromatic resin,na resin produced by the cationicpolymerization of heavy aromatic steam-cracker or coal-tarfractions.DISCUSSIONThe C9designation is broad and may include styrene,indene,methylstyrenes,and methylindenes.Depending on the sourceof the
6、 C9fraction,it may also include coumarone and dicyclopentadi-ene.cloud point,nthe temperature at which a defined liquidmixture,under controlled cooling,produces perceptible hazeor cloudiness due to the formation of fine particles of anincompatible material.dicyclopentadiene resin,na resin produced b
7、y the thermalpolymerization of a concentrated dicyclopentadiene stream.hydrocarbon resin,nin the context of such applications asadhesives,inks,coatings,flooring and roofing formulations,and rubber processing aids,a thermoplastic,low-molecular-weight,amorphous polymer that is either mined,or made byp
8、olymerization primarily from one or more of the following:certain steam-cracked petroleum fractions,coal-tar fractions,terpene fractions,and streams rich in unsaturated monomersthat typically have five or more carbon atoms.DISCUSSIONTypical hydrocarbon resins are brittle solids at roomtemperature,ch
9、emically similar semi-solid and liquid materials areincluded by association.This term also covers derivatives of hydrocar-bon resins.hydrogenated resin,na resin that has been subjected tosome degree of reaction with hydrogen to decrease the levelof residual unsaturation.natural resin,na resin of veg
10、etable or animal origin.DISCUSSIONThis term includes rosins,wood extracts or papermanufacturing by-products,fossil resins,mined resin,secretion prod-ucts from insects,and their main derivatives.In the context ofhydrocarbon resins,this refers to mined bituminous resins.polyterpene resin,na resin prod
11、uced by the polymerizationof terpene fractions or mixtures of terpenes obtained fromnaval stores,or paper pulp production,or citrus juiceproduction,or combinations thereof.DISCUSSIONTerpene fractions can be derived from gum turpentine,wood turpentine,or sulfate turpentine;citrus juice production yie
12、lds ad-limonene fraction as an extract of the peel.pure monomer resin,na resin produced by the polymeriza-tion of essentially pure compounds such as styrene,one ofthe methylstyrenes,or controlled mixtures of pure mono-mers.re-mass,vto form during storage,massive blocks of resinsfrom particulate form
13、s,such as flakes,pastilles,or powder.DISCUSSIONRe-massing can occur with all resins but is influencedby storage temperature,and pressure,due to stacking;the lowersoftening point resins re-mass at lower temperatures.Particle sizedistribution can also have a significant effect.reinforcing resin,na res
14、in that associates with the aromaticblocks of block co-polymers and raises the upper servicetemperature of an adhesive blend.tackifying resin,na resin,which when mixed with certaincompatible polymers,imparts tack,under use conditions,tothe finished formulation.3.Keywords3.1 hydrocarbon resin;termino
15、logy1This terminology is under the jurisdiction of ASTM Committee D01 on Paintand Related Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.16 on Terminology.Current edition approved Dec.1,2010.Published December 2010.Originallyapproved in 1999.Last previous edi
16、tion approved in 2005 as D6440 05.DOI:10.1520/D6440-10.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised,either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters.Your commen
