2602二甲苯甲醛樹脂經反(fan)應制得的(de)一(yi)種淺黃色、透明、水飴(yi)狀(zhuang)低分子聚(ju)(ju)(ju)合(he)物。分子結(jie)構中(zhong)含有羥基(ji)(ji)(ji)、醚基(ji)(ji)(ji)、甲氧基(ji)(ji)(ji)、縮醛(quan)基(ji)(ji)(ji)等(deng)活性(xing)(xing)基(ji)(ji)(ji)團(tuan)。與干(gan)性(xing)(xing)油、天然樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、鄰苯二甲酸系增(zeng)塑劑及(ji)醇酸樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、不飽和聚(ju)(ju)(ju)酯樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、酚醛(quan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、環氧樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、氨基(ji)(ji)(ji)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)、聚(ju)(ju)(ju)氯乙(yi)烯(xi)(xi)、丙烯(xi)(xi)酸系共聚(ju)(ju)(ju)物、苯乙(yi)烯(xi)(xi)系共聚(ju)(ju)(ju)物、氯化橡膠、氯化聚(ju)(ju)(ju)乙(yi)烯(xi)(xi)等(deng)合(he)成樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)有著(zhu)良好的(de)相溶性(xing)(xing)。根據使用(yong)目的(de)性(xing)(xing)能的(de)要(yao)求，二甲苯甲醛(quan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)是(shi)間二甲苯與甲醛(quan)在(zai)催化劑存(cun)在(zai)下(xia)。可利用(yong)二甲苯甲醛(quan)樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)與上述樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)進行改性(xing)(xing)。樹(shu)(shu)(shu)(shu)(shu)(shu)(shu)脂(zhi)(zhi)的(de)數均分子量(liang)為(wei)：250-700

　　二甲(jia)苯甲(jia)醛(quan)樹脂可提高(gao)產(chan)品(pin)(pin)的粘結(jie)性(xing)、密著(zhu)性(xing)、耐水(shui)耐濕性(xing)、耐酸耐堿性(xing)和電(dian)氣絕緣(yuan)性(xing)能。該樹脂與其他相關化(hua)學品(pin)(pin)改性(xing)或單(dan)(dan)獨(du)少(shao)量(liang)使(shi)用(yong)時。可用(yong)于絕緣(yuan)漆、道路(lu)標志(zhi)漆、金粉油墨及絲網油墨、腹膜膠(jiao)、食(shi)品(pin)(pin)罐頭涂料、防腐蝕樹脂、橡(xiang)塑制品(pin)(pin)增塑劑、橡(xiang)膠(jiao)軟化(hua)增粘劑及粘結(jie)劑、環(huan)氧(yang)酚(fen)醛(quan)層(ceng)壓板或酚(fen)醛(quan)紙質(zhi)層(ceng)壓板等不同(tong)領域。經改性(xing)或少(shao)量(liang)單(dan)(dan)獨(du)使(shi)用(yong)。一(yi)年(nian)后經檢(jian)驗合格后仍可繼續使(shi)用(yong)。本(ben)(ben)系(xi)列產(chan)品(pin)(pin)為(wei)200kg/桶(tong)或19kg/桶(tong)包裝。粘度為(wei)80%樹脂甲(jia)苯溶(rong)液 本(ben)(ben)系(xi)列產(chan)品(pin)(pin)宜貯(zhu)(zhu)存(cun)于陰(yin)涼、干燥、避(bi)雨、通風處。本(ben)(ben)系(xi)列產(chan)品(pin)(pin)貯(zhu)(zhu)存(cun)期為(wei)一(yi)年(nian)。