國(guó)內(nèi)焦化苯為原料色熱穩(wěn)定性不好是常見的，山東馬來(lái)酸酐在140度、2小時(shí)70#- 80#常見，嚴(yán)重200#左右(APHA)。以焦化苯為原料馬來(lái)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(wú)法比擬的。其效果是:在140攝氏度下，2小時(shí)鉑鈷小于20(通常是15#)。強(qiáng)化試驗(yàn)在180攝氏度下1小時(shí)比較明顯(2小時(shí)在180攝氏度下，耐活條件下，一般不受馬來(lái)酸酐影響)”= 40 # . .加入，成本低:馬來(lái)酸酐0.3元/噸。化工廠添加穩(wěn)定劑的馬來(lái)酸酐比不添加穩(wěn)定劑的馬來(lái)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(lái)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(jìng)爭(zhēng)力，直接提高經(jīng)濟(jì)效益，ecru熱穩(wěn)定劑的數(shù)量?jī)?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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