國內(nèi)焦化苯為原料色熱穩(wěn)定性不好是常見的，山東馬來酸酐在140度、2小時70#- 80#常見，嚴(yán)重200#左右(APHA)。以焦化苯為原料馬來酸酐的穩(wěn)定劑尤其是它的優(yōu)點(diǎn)，是SD公司引進(jìn)的穩(wěn)定劑無法比擬的。其效果是:在140攝氏度下，2小時鉑鈷小于20(通常是15#)。強(qiáng)化試驗(yàn)在180攝氏度下1小時比較明顯(2小時在180攝氏度下，耐活條件下，一般不受馬來酸酐影響)”= 40 # . .加入，成本低:馬來酸酐0.3元/噸?；S添加穩(wěn)定劑的馬來酸酐比不添加穩(wěn)定劑的馬來酸酐高100-300元/噸，而且效果遠(yuǎn)不如穩(wěn)定劑。經(jīng)濟(jì)效益明顯。加入馬來酸酐熱穩(wěn)定劑可用于制造高檔樹脂，使產(chǎn)品質(zhì)量穩(wěn)定。要提高產(chǎn)品競爭力，直接提高經(jīng)濟(jì)效益，ecru熱穩(wěn)定劑的數(shù)量優(yōu)于引進(jìn)的效果。
It is common that coking benzene is used as raw material with poor color thermal stability in China. Maleic anhydride in Shandong Province is common at 140 ° C and 70 - 80 ° C in 2 hours, with a severity of about 200 ° C (APhA). The stabilizer for maleic anhydride production from coking benzene, especially its advantages, is incomparable to the stabilizer introduced by SD Company. The effect is that platinum cobalt is less than 20 (usually 15 × 3) in 2 hours at 140 ℃. The strengthening test is more obvious at 180 ℃ for 1 hour (2 hours at 180 ℃, under the living condition, generally not affected by maleic anhydride) "= 40 ?. The cost is low: 0.3 yuan / ton maleic anhydride. The price of maleic anhydride with stabilizer in chemical plant is 100-300 yuan / ton higher than that without stabilizer, and the effect is far worse than that of stabilizer. The economic benefits are obvious. The addition of maleic anhydride heat stabilizer can be used to manufacture high-grade resin and stabilize the product quality. The quantity of ecru heat stabilizer is better than that of imported heat stabilizer in order to improve the competitiveness of products and directly improve the economic benefits.
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