農(nong)藥(yao)的(de)生(sheng)產(chan)和(he)應(ying)用(yong)過(guo)程(cheng)中(zhong),高(gao)起(qi)泡(pao)性(xing)是(shi)一(yi)個(ge)普(pu)遍(bian)存(cun)在(zai)的(de)問(wen)題(ti)。這(zhe)會(hui)導(dao)致(zhi)農(nong)藥(yao)的(de)生(sheng)產(chan)效(xiao)率(lv)降(jiang)低(di),使(shi)用(yong)過(guo)程(cheng)中(zhong)難(nan)以(yi)混(hun)合(he)和(he)噴(pen)灑(sa),甚(shen)至(zhi)無(wu)法(fa)達(da)到(dao)所(suo)需(xu)的(de)農(nong)藥(yao)稀(xi)釋(shi)度(du)等(deng)問(wen)題(ti)。因(yin)此(ci),低(di)泡(pao)性(xing)已(yi)成(cheng)為(wei)農(nong)藥(yao)的(de)普(pu)遍(bian)需(xu)求(qiu)。消(xiao)泡(pao)劑(ji)作(zuo)為(wei)一(yi)種(zhong)化(hua)學(xue)消(xiao)泡(pao)物(wu)質(zhi),被(bei)廣(guang)泛(fan)應(ying)用(yong)於(yu)農(nong)藥(yao)製(zhi)劑(ji)生(sheng)產(chan)中(zhong)。目(mu)前(qian),有(you)機(ji)矽(gui)消(xiao)泡(pao)劑(ji)和(he)聚(ju)醚(mi)消(xiao)泡(pao)劑(ji)是(shi)兩(liang)種(zhong)常(chang)見(jian)的(de)消(xiao)泡(pao)劑(ji),它(ta)們(men)之(zhi)間(jian)的(de)區(qu)別(bie)在(zai)哪(na)裏(li)呢(ne)?讓(rang)我(wo)們(men)跟(gen)隨(sui)德(de)豐(feng)消(xiao)泡(pao)劑(ji)廠(chang)家(jia)一(yi)起(qi)來(lai)了(le)解(jie)一(yi)下(xia)。

(農業用聚醚消泡劑和有機矽消泡劑的區別)
傳統的有機矽消泡劑具有很高的消泡和抑泡效率,因此被廣泛應用。但是,它對外界條件非常敏感,如 pH、溫wen度du等deng,在zai貯zhu存cun和he使shi用yong過guo程cheng中zhong可ke能neng會hui因yin降jiang解jie而er失shi去qu消xiao泡pao效xiao果guo。此ci外wai,傳chuan統tong的de有you機ji矽gui消xiao泡pao劑ji與yu水shui的de兼jian容rong性xing較jiao差cha,在zai透tou明ming水shui性xing配pei方fang體ti係xi中zhong會hui影ying響xiang體ti係xi的de透tou明ming性xing,可ke能neng會hui導dao致zhi這zhe些xie製zhi劑ji產chan品pin外wai觀guan混hun濁zhuo的de問wen題ti。除chu外wai觀guan和he泡pao沫mo體ti積ji外wai,配pei方fang產chan品pin的de貯zhu存cun穩wen定ding性xing,尤you其qi是shi高gao溫wen穩wen定ding性xing對dui消xiao泡pao劑ji是shi很hen大da的de考kao驗yan。市shi場chang上shang很hen多duo常chang見jian的de消xiao泡pao劑ji在zai貯zhu存cun不bu當dang時shi都dou會hui出chu現xian析xi出chu、破乳、降解等問題,從而引起產品不穩定以及消泡效率下降。
聚醚型消泡劑是近幾年來被廣泛研究的一類消泡劑。以環氧乙烷、huanyangbingwankaihuanjuhezhidedejumishiyizhongxingnengyouliangdeshuirongxingfeilizibiaomianhuoxingji。jumixiaopaojizhiyouzaifapaotixidewenduchaoguozhuodianwendushicaifahuixiaopaozuoyong。yinci,takeyitongguotiaojieyiyang、bingyanglianduandebizhijifenziliang,laigaibianzhuodian,gaishanshuirongxingheyourongxing,kedadajiangdifapaoyebiaomianzhangli。jumixiaopaojizairezhuguochengzhongrengkebaochijiaogaodexiaopaoxiaolv,qiebuyingxiangtixidewaiguan。zhuyaochengfenyouyixiajizhong:
①直鏈聚醚,如聚氧乙烯、聚氧丙烯等;
②端基醇、氨(胺)、或酯化的聚醚衍生物。
這些消泡劑的特點是:無毒、使用方便、分散性、熱re穩wen定ding性xing和he化hua學xue穩wen定ding性xing好hao。聚ju醚mi類lei消xiao泡pao劑ji與yu製zhi劑ji配pei方fang的de兼jian容rong性xing好hao,不bu影ying響xiang產chan品pin透tou明ming性xing,在zai貯zhu存cun過guo程cheng中zhong穩wen定ding,仍reng可ke有you較jiao高gao消xiao泡pao作zuo用yong,相xiang對dui於yu有you機ji矽gui消xiao泡pao劑ji更geng適shi用yong在zai農nong藥yao生sheng產chan中zhong使shi用yong。

(德豐消泡劑生產廠家)
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