纤维素乙酸酯丙酸酯
CELLULOSE ACETATE PROPIONATE
CAS: 9004-39-1
Molecular Formula: C76H114O49
纤维素乙酸酯丙酸酯 - Names and Identifiers
| Name | CELLULOSE ACETATE PROPIONATE |
| Synonyms | MN CA. AVE. 42.5 15,000 ACETATE CONTENT, PROPIONYL CELLULOSE PROPIONATE PROPIONATE, Cellulose,acetatepropanoate CELLULOSE ACETATE PROPIONATE |
| CAS | 9004-39-1 |
| EINECS | 618-383-3 |
纤维素乙酸酯丙酸酯 - Physico-chemical Properties
| Molecular Formula | C76H114O49 |
| Molar Mass | 1811.68 |
| Density | 1.23 g/mL at 25 °C(lit.) |
| Melting Point | 188-210 °C(lit.) |
纤维素乙酸酯丙酸酯 - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
纤维素乙酸酯丙酸酯 - Synthesis and Structure of Cellulose Acetate Propionate
From Titanium Academic
Author:
Duan Liyan ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(5 fa1b09535e366b5) author:(Jin Liwei)" target = "_blank"> Jin Liwei ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(f0b34fbfb4d2b415) author:(Cao Zhenyan)" target = "_blank">,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(446 c2bd733fa6cab) author:(Xu Yuzhi)" target = "_blank"> Xu Yuzhi ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(50 b25c64359f70a6) author:(Wang Chunpeng)" target = "_blank"> Wang Chunpeng ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(5667403635245 b6e) author:(Chu Fuxiang)" target fuxiang
Summary:
cellulose acetate propionate (CAP) was synthesized by heterogeneous catalytic esterification. the ^ 13C NMR spectra of the synthesized CAP were analyzed, and the substitution degrees of acetyl and propionyl groups of CAP were obtained respectively, and compared with chemical titration methods. The structure and performance of the product were characterized by IR, gel permeation chromatography (GPC),X-ray diffraction and differential scanning heat method (DSC). The results showed that compared with cellulose, the crystal form of the synthesized CAP changed obviously, the crystallinity decreased from 68% to 30%-40%, and the glass transition temperature was about 150 ℃. The esterification of cellulose makes it have improved plasticizing properties.
keywords:
cellulose acetate propionate 13CNMR x-ray
DOI:
10.3321/j.issn:0253-2417.2008.05.003
cited:
Year:
2008
Last Update：2024-01-02 23:10:35
纤维素乙酸酯丙酸酯 - Study on Processing Technology of Cellulose Acetate Propionate
From VIP
Author:
Jin Liwei ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(733 f4ff8346f65c8) author:(Duan Liyan)" target = "_blank"> Duan Liyan ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(522 c6478359e568f) author:(Chen Riqing)" target = "_blank"> nissin ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(50 b25c64359f70a6) author:(Wang Chunpeng)" target = "_blank"> Wang Chunpeng ,< a href = "https://xueshu.baidu.com/usercenter/data/author?cmd=authoruri&wd=authoruri:(5667403635245 b6e) author:(Chu Fuxiang)" target = "_blank"> Chu Fuxiang
Summary:
The effects of processing conditions such as extrusion current on the water resistance and melt index of cellulose acetate propionate during twin-screw extrusion were studied. The results show that when the screw speed is 500 r/min, the five-zone temperature of screw processing is 140,170,170,170,160 ℃, and the mass fraction of plasticizer is 20%, the extruded particle performance is the best. The blending extrusion of cellulose acetate propionate and polycaprolactone was studied. Polycaprolactone can better improve the particle toughness. The cellulose acetate propionate particles containing triethyl citrate 20% and cellulose acetate propionate containing triethyl 20% citrate extruded in the same twin screw can be used to prepare films using a universal film blowing machine.
keywords:
cellulose acetate propionate extrusion current triethyl citrate polycaprolactone /p>
DOI:
CNKI:SUN:XDHG. 0.2009-S2-068
cited:
Year:
2009
Last Update：2023-08-16 22:23:51
纤维素乙酸酯丙酸酯 - Cellulose acetate propionate crushing equipment based on centrifugal force adjustment
from Baidu library
patent type:
patent for invention
application (patent) number:
CN202011353397.4
date of application:
20201126
public/announcement number:
CN112588414A
date of publication/announcement:
20210402
Applicant (patentee):
Cao Li
Inventor:
national and provincial code:
CN431002
Summary:
The present invention relates to the technical field of cellulose acetate propionate production equipment, and discloses a cellulose acetate propionate crushing equipment based on centrifugal force adjustment, including a housing, the left and right ends of the top of the housing are rotatably connected with cams, The end of the cam is movably connected with a tooth frame, the end of the tooth frame far away from the cam is meshed and connected with a gear one, and the outer part of the axis, the outer part of the eccentric wheel axis is fixedly connected with a connecting rod. The cellulose acetate propionate crushing equipment based on centrifugal force adjustment, through the eccentric wheel reciprocating rolling raw materials and automatically opening and closing to release the rolled raw materials, and the crushing edge is closed to expand the rolling raw materials, improve the crushing effect, and crush the raw materials More thoroughly, the centrifugal block is subjected to the centrifugal force to control the charging and discharging time of the capacitor plate, and then adjust the crushing edge extension and ejection frequency of the ejection rod, powder
Last Update：2023-08-16 22:23:51
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View History
纤维素乙酸酯丙酸酯
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[2-(甲基丙烯酸)乙基]三甲胺甲基硫酸盐 溶液
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7-三甲氧基-5-羟基黄酮
[2-(甲基丙烯酸)乙基]三甲胺甲基硫酸盐 溶液
6,6-dioxo-6lambda6-thia-2-azaspiro[3.4]octane-8-carboxylic acid hydrochloride