建築塗料的主要品種及其優缺點
發布時間:2014-08-09
建jian築zhu塗tu料liao品pin種zhong繁fan多duo,由you於yu采cai取qu的de基ji料liao不bu同tong,助zhu劑ji不bu同tong,生sheng產chan工gong藝yi不bu同tong可ke得de到dao不bu同tong品pin種zhong的de塗tu料liao。這zhe些xie塗tu料liao既ji有you水shui性xing的de,也ye有you油you性xing的de,既ji有you厚hou飾shi塗tu料liao,也ye有you薄bo膜mo塗tu料liao;既有無機塗料,也有有機塗料。這些塗料之間各有什麼優缺點?
水性塗料和油性塗料相比:就乳膠漆的成膜機理來看,既使聚結良好,由於整體性不如溶劑型漆那麼致密,所以乳膠漆的漆膜更透氣,這就使乳膠漆漆膜有"呼吸"的特點;不易起泡,特別適用於內、外(wai)牆(qiang)粉(fen)刷(shua)。乳(ru)膠(jiao)漆(qi)用(yong)水(shui)作(zuo)分(fen)散(san)介(jie)質(zhi),因(yin)此(ci)儲(chu)存(cun)過(guo)程(cheng)中(zhong)怕(pa)凍(dong),被(bei)凍(dong)的(de)乳(ru)膠(jiao)漆(qi)易(yi)使(shi)乳(ru)液(ye)破(po)乳(ru)而(er)影(ying)響(xiang)乳(ru)膠(jiao)漆(qi)的(de)性(xing)能(neng)。溶(rong)劑(ji)型(xing)塗(tu)料(liao)是(shi)以(yi)高(gao)分(fen)子(zi)合(he)成(cheng)樹(shu)脂(zhi)為(wei)主(zhu)要(yao)成(cheng)膜(mo)物(wu)質(zhi),有(you)機(ji)溶(rong)劑(ji)為(wei)稀(xi)釋(shi)劑(ji),加(jia)入(ru)一(yi)定(ding)的(de)顏(yan)料(liao)、填料和助劑,經混合、攪拌溶解、研磨而配成的一種揮發性塗料。溶劑型漆中的成膜樹脂的粒徑約0.01微米,乳膠漆中乳膠粒子的粒徑約0.1-0.5微米,比溶劑型漆大得多,這就是為什麼溶劑型漆滲透性好、漆膜致密、耐汙性好、butouqi,yiqipaodeyuanyin。errujiaoqiqimoduokong,nengtouqi,buyiqipao,youyulijingda,shentouxingcha,yibanzhijietuzairongjixingqibiaomianfuzhelicha。zairongjihuifawanhou,buhuifadejiliaonengtongguowulijujihehuaxuejiaolianerxingchengyicengjianyingdebomo。yongyujianzhuderongjixingtuliaoyibandouyoujiaohaodeyingdu、光澤、耐水性、耐(nai)化(hua)學(xue)腐(fu)蝕(shi)性(xing),它(ta)與(yu)樹(shu)脂(zhi)乳(ru)液(ye)型(xing)水(shui)性(xing)塗(tu)料(liao)相(xiang)比(bi),由(you)於(yu)其(qi)塗(tu)膜(mo)比(bi)較(jiao)致(zhi)密(mi),在(zai)耐(nai)水(shui),和(he)耐(nai)酸(suan)堿(jian)性(xing)等(deng)方(fang)麵(mian)都(dou)有(you)一(yi)定(ding)的(de)優(you)勢(shi),但(dan)其(qi)組(zu)分(fen)內(nei)含(han)的(de)大(da)量(liang)易(yi)燃(ran)有(you)機(ji)溶(rong)劑(ji)揮(hui)發(fa)會(hui)汙(wu)染(ran)環(huan)境(jing),漆(qi)膜(mo)的(de)透(tou)氣(qi)性(xing)差(cha),又(you)有(you)疏(shu)水(shui)性(xing),如(ru)在(zai)潮(chao)濕(shi)的(de)基(ji)層(ceng)上(shang)施(shi)工(gong),容(rong)易(yi)產(chan)生(sheng)起(qi)皮(pi)、脫落;隨著時間的變長,塗層越來越堅硬,變得易碎,如牆體發生熱脹冷縮的情況就會發生開裂;相xiang對dui水shui性xing塗tu料liao來lai說shuo,溶rong劑ji型xing塗tu料liao表biao幹gan很hen快kuai,但dan是shi完wan全quan幹gan透tou很hen慢man,在zai未wei完wan全quan幹gan透tou之zhi前qian,塗tu膜mo發fa軟ruan,附fu著zhe力li也ye很hen差cha。近jin年nian來lai,由you於yu環huan保bao要yao求qiu和he壓ya力li下xia,在zai建jian築zhu塗tu料liao領ling域yu,油you性xing塗tu料liao的de使shi用yong越yue來lai越yue少shao,水shui性xing塗tu料liao代dai表biao未wei來lai塗tu料liao發fa展zhan方fang向xiang。
厚飾型塗料和薄膜型塗料相比:houshixingtuliaonenggoujiaqiangbaohuzuoyong,zaixuduoxingnengshangbibomoxingtuliaodouyoutigao,rufangshuixingneng,naicaxixingnengdeng,danshihoushixingtuliaodetouqixingbibomoxingtuliaoyaochayixie,ertouqixingbuhaodejieguoshihuiyinqituliaoqipi,kailie、剝落等現象;而(er)且(qie)厚(hou)飾(shi)性(xing)塗(tu)料(liao)在(zai)成(cheng)本(ben)上(shang)比(bi)薄(bo)膜(mo)型(xing)塗(tu)料(liao)要(yao)高(gao)。隨(sui)著(zhe)塗(tu)料(liao)科(ke)技(ji)的(de)進(jin)步(bu),通(tong)過(guo)改(gai)造(zao)乳(ru)液(ye)分(fen)子(zi)的(de)結(jie)構(gou),使(shi)其(qi)在(zai)成(cheng)膜(mo)時(shi)形(xing)成(cheng)網(wang)狀(zhuang)的(de)透(tou)氣(qi)膜(mo),解(jie)決(jue)了(le)厚(hou)飾(shi)塗(tu)料(liao)透(tou)氣(qi)性(xing)差(cha)的(de)問(wen)題(ti)。因(yin)此(ci),厚(hou)飾(shi)型(xing)塗(tu)料(liao)是(shi)現(xian)代(dai)塗(tu)料(liao)的(de)發(fa)展(zhan)方(fang)向(xiang)。
有機塗料和無機塗料相比:有機塗料采用天然的或者合成的環氧地坪(樹脂)、乳液作為基料,包括酚醛、環氧、丙bing稀xi酸suan等deng,其qi中zhong丙bing稀xi酸suan類lei應ying用yong最zui廣guang,有you機ji塗tu料liao能neng夠gou通tong過guo對dui樹shu脂zhi和he乳ru液ye的de改gai性xing,而er達da到dao不bu同tong的de應ying用yong目mu的de,有you機ji塗tu料liao在zai光guang澤ze上shang,手shou感gan上shang,和he彈dan性xing上shang具ju有you明ming顯xian的de優you勢shi。無wu機ji塗tu料liao以yi無wu機ji礦kuang物wu為wei主zhu要yao基ji料liao,如ru石shi灰hui、矽酸鹽等,在漿料中再加入適當的顏料使之帶色,這些塗料的價格便宜,與牆體有很好的結合力,強度也很好;danshizheleituliaodeyansebuyitiaojunyun,erqiemojiangtaihouyiguilie,shougancucao,zhuangshixiaoguobujia,shudidangcailiao。weilededaozuihaodetuliao,muqianyiyouyixiegaokejideyoujiwujifuhetuliaochuxian,tabushiyibandewangwujijiliaozhongjiarugaofenzijuhewu,ershicaiyongyoujiguiyuyoujifenzihuaxuejiehe,shizhizongheleliangzhongwuzhideyoudian,shiweilaituliaofazhanfangxiangzhiyi。