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她是大山的女儿,像一支燃烧的蜡烛,闪耀着灿烂的光辉,照亮了深山孩子的梦想,她和千千万万山村教师一道,努力实践着中国山村的教育梦businesstoorganize,guide,assist,participatorypre-loaninvestigation,providemarketingadviceandresponsibleformarketingadvice.ChapterIIIcontentandprocessafteracceptingtheborrower'sapplicationforthe14thperson,dominatedbyfieldinvestigationandoff-sitesurveysasasupplement,carryoutpre-loaninvestigationwork.Maincontentsareasfollows:(a)theborrowersurveys1.Borrowerforcorporatecustomers,investigatorsshouldinterviewbusiness,management,financeandotherrelatedpersonnel,fieldtripplaceofbusinessandproductionoperations,andaccordingtotheinformationprovidedbythecustomertoverifythebusinessmanagement,authenticityofthefinancialsituation,trade,etc.2.borrowingpeopleforsmallenterpriseof,surveycontentexceptreferencecompanyclasscustomeroutside,alsoshouldfocusconcernactualcontrolpeopleandthemainshareholderspersonalfundingletter,andpractitionersexperience,andmarriagestatus,andhealthstatus,softinformationandfamilyassets,andliabilitiesstatus;focussurveyverifiedenterpriseaccounttable,andbankaccountwater,andtaxinformationandhydropowerwage,spendinginformation,thenverifiedcompanyactualbusinessstatusandthefinancialstatus.3.theborrowerisanaturalperson,theinvestigationshouldfocusonborrowersandtheirfamilies,property,income,debt,credit...Investigatorsshouldfieldsurveys,confirmthemortgagesituation,bywayofassessment,inquiryfindsthevalueofthemortgage.Disagreeswiththedeterminationofvalue,shouldbesubmittedthroughotherevaluationAgency,thesupplementaryinvestigations,fieldsurveys,includingre-evaluationofvalue.1.topropertymortgageof,surveypeopleshouldfieldstudymortgagereal,andverifiedfollowinginformation:housingownershipcardbycontainsMinginformation(ownershippeople,andislocated,andfloor,,androom,,andarea,andtype,)1.涂装和涂料的定义是什么?涂料涂装的目的是什么?涂料的主要作用是什么?答:涂料是一类流体状态或粉末状态的物质,把它涂布与物体表面上,经过自然或人工的方法干燥固化形成一层薄膜,均匀地覆盖和良好地附着在物体表面上,具有防护和装饰的作用。涂装是指将涂料涂布到清洁的被涂表面上经过干燥形成漆膜的工艺,由漆前表面处理,涂料涂布,涂料干燥三个基本工序组成。目的:1.被涂物的表面预处理:其目的是是被底材和漆膜的粘结创造一个良好的条件,同时还能提高和改善漆膜的性能。2.涂布:用不同的方法工具和设备将涂料均匀地涂覆在被涂物件表面。3.漆膜干燥:将涂在被涂物件表面的湿涂膜固化成为连接的干涂膜。涂料的主要作用:1.装饰作用2.保护作用3.标志作用4.特殊作用2.涂料由哪几部分组成,各起什么作用?答:1.主要成膜物质:涂料要成为黏附于物体表面的薄膜,须有粘结剂,粘结剂就是涂料的主要成膜物质。2.颜料:颜料的主要目的是赋予涂料颜色和遮盖力,也就是使漆膜有颜色和不透明。颜料还起到提高涂料力学性能,改善涂料流变性,增强涂料的防锈保护效果,降低涂料成本的功能。某些特定功能如防腐蚀,导电,阻燃等。3.溶剂:溶剂是用来溶解或分散主要成膜物质使它成为流体的。4.助剂:主要用于显著改善涂料生产加工,存储,涂布,成膜过程中某些方面性能。3.常见的挥发性涂料有哪几类,各有什么特色?涂料中常用的卤化物有哪几类?答:一.纤维素聚合物:工业上纤维素主要来源是木材和棉花。纤维素本身不溶解于水和有机溶剂中,但经过各种化学处理后取得的衍生物能在一定的溶剂中溶解,并在工业上得到广泛应用。二.卤化聚合物:卤化聚合物的透水性低,可用于防腐蚀面漆,有的在聚烯烃塑料中有足够的可溶性,使它们能能用于聚烯烃塑料表面,为面漆提供附着力。三.热塑性丙烯酸酯:平均分子量高的热塑性丙烯酸树脂保光性好,耐大气老化性能十分优越。卤化物种类:1.溶液型热塑性氯化聚合物2.聚氯乙烯塑溶胶3.氟化聚合物4.油基涂料的干燥机理是什么?油度的长短读涂料性能有什么影响?催干剂和抗结皮剂各起什么作用?答:干燥机理的三个阶段:1.导入期,天然抗氧化剂被消耗;2.快速氧化期,伴随着增重10%氧分子与脂肪酸中双键附近碳原子上活泼的氢反应生成过氧氢基团;3.复杂的自催化反应,消耗过氧化氢基团,产生自由基引发双键聚合并交联成膜。根据醇酸树脂中的油脂(或脂肪酸)含量不同,可分为长中短油度醇酸树脂。长油度醇酸树脂(>60%),特点:耐候性优良,混溶性差。中油度醇酸树脂(50%-60%),特点:干燥快,保光及耐候性较好,使用范围广泛。短油度醇酸树脂(<50%),与其他树脂混溶性最好。催干剂作用:具有催化植物油干燥的功能。抗结皮剂作用:防止靠植物油氧化干燥的涂料在贮存放置期间发生氧化交联,增加涂料的贮存稳定性。5.氨基树脂可以直接用来形成漆膜吗?它在涂料中对漆膜性能起什么作用?答:不可以,因为由氨基树脂单独加热固化所得的漆膜硬而脆,且附着力差。按照其配比不同,呈现不同的特性和用途,可分为高氨基,中氨基,低氨基,一般采用氨基比例。氨基树脂含量高时,所形成的漆膜光泽,硬度,耐水,耐油及绝缘性能好,但成本高,且漆膜附着力降低,漆膜变脆;氨基树脂含量低时,所形成漆膜光泽,硬度,耐水,耐油等性能降低。6.热固性丙烯酸涂料有什么主要特性?她是大山的女儿,像一支燃烧的蜡烛,闪耀着灿烂的光辉,照亮了深山孩子的梦想,她和千千万万山村教师一道,努力实践着中国山村的教育梦businesstoorganize,guide,assist,participatorypre-loaninvestigation,providemarketingadviceandresponsibleformarketingadvice.ChapterIIIcontentandprocessafteracceptingtheborrower'sapplicationforthe14thperson,dominatedbyfieldinvestigationandoff-sitesurveysasasupplement,carryoutpre-loaninvestigationwork.Maincontentsareasfollows:(a)theborrowersurveys1.Borrowerforcorporatecustomers,investigatorsshouldinterviewbusiness,management,financeandotherrelatedpersonnel,fieldtripplaceofbusinessandproductionoperations,andaccordingtotheinformationprovidedbythecustomertoverifythebusinessmanagement,authenticityofthefinancialsituation,trade,etc.2.borrowingpeopleforsmallenterpriseof,surveycontentexceptreferencecompanyclasscustomeroutside,alsoshouldfocusconcernactualcontrolpeopleandthemainshareholderspersonalfundingletter,andpractitionersexperience,andmarriagestatus,andhealthstatus,softinformationandfamilyassets,andliabilitiesstatus;focussurveyverifiedenterpriseaccounttable,andbankaccountwater,andtaxinformationandhydropowerwage,spendinginformation,thenverifiedcompanyactualbusinessstatusandthefinancialstatus.3.theborrowerisanaturalperson,theinvestigationshouldfocusonborrowersandtheirfamilies,property,income,debt,credit...Investigatorsshouldfieldsurveys,confirmthemortgagesituation,bywayofassessment,inquiryfindsthevalueofthemortgage.Disagreeswiththedeterminationofvalue,shouldbesubmittedthroughotherevaluationAgency,thesupplementaryinvestigations,fieldsurveys,includingre-evaluationofvalue.1.topropertymortgageof,surveypeopleshouldfieldstudymortgagereal,andverifiedfollowinginformation:housingownershipcardbycontainsMinginformation(ownershippeople,andislocated,andfloor,,androom,,andarea,andtype,)答:热固性丙烯酸树脂可以提高涂料的不挥发物含量,涂料施工后在固化过程中发生交联,除了有较高的固含量外,还有更好的光泽和外观,更好的抗化学,抗溶剂及抗碱,抗热性能;缺点是不能长时间贮存。7.环氧—胺涂料使用的胺有哪几类,各
本文标题:涂料和涂装复习答案
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