欧美色亚洲色,欧美日韩国产亚洲成人自拍,中文字幕人妻一区二区在线视频侦探,熟女一区二区少妇

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(yè)>>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(lái)源:http://www.m9660.cn/ 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(rùn)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(lái)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(guó)2003年表觀消費(fèi)量約為21.1萬(wàn)噸。其消費(fèi)結(jié)構(gòu)為:不飽和聚酯樹脂對(duì)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(rùn)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
熟女不雅区| 91人人妻澡人人爽人人精品 | 欧美日韩国产一区二区久久内射| 丰满少妇人妻内射九九| www.成人综合.com| 一区二区三区乱在线| 黄色三级片国产福利| 久久综合av日韩电影院| 蜜臀精品国产高清在线观看| 久久久婷婷五月亚洲国产精品| 黄片欧美日韩一区二区三区| 日本尺码婷婷五月天在线观看 | 欧美3p精品一区| 91色呦呦| 日韩无码吃人妻一区| 国内自拍偷拍网| 图片区视频区免费视频区| 亚洲欧美欧洲巨大| 欧美精品xxx| 国产欧美日韩日本| 青青草超碰99一区二区| 亚洲骚鸡系列不卡| 天天艹天天干天天舔天天日| 狂抽插AV网站| 国产蝌蚪91.88PORN在线-| 男女麻豆网站大全| 91成人欧美日韩| 久久久久久美女一级视频播放| 天天舔天天碰| 国产精品久久久久久夜夜夜夜夜传谋| 欧美性感网站免费观看| 乐陵市| 隔着丝袜美女操插入| 国产成人韩国欧美| 日韩伦理视频一区二区| 伊人一区二区三区四区五区| 无码人妻精品一区二区三千菊电影 | 有道精品一区二区三区| 亚洲成人第页| 鸥美高清吊妞网| 亚洲日韩欧美高清|