大肉大捧一进一出,无限资源在线观看片中文在线,在电影院里拨开内裤挺进,校花的凌羞辱日记高h女女

你好,歡迎訪問濟(jì)南金昊化工有限公司!

專注品質(zhì),信賴服務(wù)

我們用心做產(chǎn)品服務(wù)

咨詢熱線:

13655318786

常見問題

您現(xiàn)在的位置: 網(wǎng)站首頁>>新聞中心>>常見問題順酐的用途已經(jīng)在各方面都使用

順酐的用途已經(jīng)在各方面都使用

來源:http://www.i6sf.com/ 日期:2024-01-13 發(fā)布人: 瀏覽次數(shù):0

順酐:目前次于苯酐和醋酐的第三大酸酐,主要用于不飽和聚酯樹脂、醇酸樹脂。

Maleic anhydride: currently the third largest anhydride after phthalic anhydride and acetic anhydride, mainly used in the production of unsaturated polyester resin and alkyd resin.

另外還用于農(nóng)藥、醫(yī)藥、涂料、油墨、潤滑油添加劑、造紙化學(xué)品、紡織品整理劑、食品添加劑以及表面活性劑等領(lǐng)域。

In addition, it is also used in fields such as pesticides, pharmaceuticals, coatings, inks, lubricant additives, papermaking chemicals, textile finishing agents, food additives, and surfactants.

以順酐為原料可以1,4-丁二醇(BOD)、v-丁內(nèi)酯(GBL)、四氫呋喃(THF)、馬來酸、富馬酸和四氫酸酐等一系列重要的有機(jī)化學(xué)品和精細(xì)化學(xué)品,開發(fā)利用前景十分廣闊。

20211126030402435.jpg

A series of important organic and fine chemicals, such as 1,4-butanediol (BOD), n-butyrolactone (GBL), tetrahydrofuran (THF), maleic acid, fumaric acid, and tetrahydroanhydride, can be produced from maleic anhydride as a raw material. The development and utilization prospects are very broad.

我國2003年表觀消費(fèi)量約為21.1萬噸。其消費(fèi)結(jié)構(gòu)為:不飽和聚酯樹脂對順酐的需求量約占總需求量的71.1%,涂料約占6.2%,酒石酸約占3.8%,潤滑油添加劑約占0.9%,農(nóng)用化學(xué)品約占1.4%,琥珀酸及斷約占2.4%,BDO、TFH等加氫產(chǎn)品約占2.8%,其他方面約占11.4%。

The apparent consumption in China was approximately 211000 tons in 2003. Its consumption structure is as follows: the demand for maleic anhydride in unsaturated polyester resin accounts for about 71.1% of the total demand, coatings account for about 6.2%, tartaric acid accounts for about 3.8%, lubricating oil additives account for about 0.9%, agricultural chemicals account for about 1.4%, succinic acid and succinic acid account for about 2.4%, hydrogenation products such as BDO and TFH account for about 2.8%, and other aspects account for about 11.4%.

相關(guān)新聞
少妇性l交大片免费| 被体育老师c了一节林妙妙| 天天操天天干| 麻豆国产精品番甜甜七夕| 把腿杠起横冲直撞| 亲嘴扒胸摸屁股激烈视频| 最新精品国偷自产在线69| 婷婷大伊香蕉五月天视频| 公翁大龟挺进秀婷小说| 娇小的学生videos16hd| 无码国产精品一区二区高潮| 少爷湿润粗大跪趴含bl| 寡妇好丰满奶好大有声小说| 美妇身上销魂冲刺享受| 极品少妇高潮啪啪av无码吴梦梦| 女人与拘的交酡过程| 麻豆国产av国片精品有毛| 日本一区二区三区视频| 亚洲无线码一区国产欧美国日产| 闺蜜扒开我的腿用黄瓜折磨我| hkdoll玩偶在线无码国产| 少妇高潮惨叫久久久久久| 曰本胸大巨胸做爰视频| 99久久国产极品蜜臀av酒店| 99热这里只有精品| 国产午夜三级一区二区三| 大肉蒂被嘬的好爽h| 他含着她的乳奶揉搓揉视频捏| 国产猛男gayb0y1069| 95免费视频在线观看| 按摩男让我高潮做了3次正常吗| 中文字幕丰满孑伦无码精品| 强开少妇嫩苞又嫩又紧小说| 把皇上摁在龙椅上做臣子的典故| 农村嫖妓chinese城中村| 久久精品丝袜高跟鞋| 成年性生交大片免费看| 大肉蒂被嘬的好爽h公主| 和教官在教室做了好爽| 亚洲一区二区三区女厕偷拍| 3d动漫精品啪啪一区二区免费|