JPS59219333A - 酢酸セルロ−ス球状微小粉末の製造法 - Google Patents
酢酸セルロ−ス球状微小粉末の製造法Info
- Publication number
- JPS59219333A JPS59219333A JP9519883A JP9519883A JPS59219333A JP S59219333 A JPS59219333 A JP S59219333A JP 9519883 A JP9519883 A JP 9519883A JP 9519883 A JP9519883 A JP 9519883A JP S59219333 A JPS59219333 A JP S59219333A
- Authority
- JP
- Japan
- Prior art keywords
- cellulose acetate
- solution
- aqueous medium
- organic solvent
- degree
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920002301 cellulose acetate Polymers 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000000843 powder Substances 0.000 title abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 23
- 239000012736 aqueous medium Substances 0.000 claims abstract description 19
- 239000003960 organic solvent Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 9
- 239000002270 dispersing agent Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims description 12
- 239000002904 solvent Substances 0.000 abstract description 13
- 238000006116 polymerization reaction Methods 0.000 abstract description 8
- 238000006467 substitution reaction Methods 0.000 abstract description 8
- 238000001704 evaporation Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000007127 saponification reaction Methods 0.000 abstract description 2
- 238000013019 agitation Methods 0.000 abstract 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 238000000034 method Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 12
- 239000000725 suspension Substances 0.000 description 12
- -1 fatty acid ester Chemical class 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920002284 Cellulose triacetate Polymers 0.000 description 7
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- 239000001913 cellulose Substances 0.000 description 6
- 239000011859 microparticle Substances 0.000 description 6
- 239000012046 mixed solvent Substances 0.000 description 6
- 108010010803 Gelatin Proteins 0.000 description 5
- 229920002678 cellulose Polymers 0.000 description 5
- 235000010980 cellulose Nutrition 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 229920000159 gelatin Polymers 0.000 description 5
- 239000008273 gelatin Substances 0.000 description 5
- 235000019322 gelatine Nutrition 0.000 description 5
- 235000011852 gelatine desserts Nutrition 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WFDIJRYMOXRFFG-UHFFFAOYSA-N acetic acid anhydride Natural products CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000000490 cosmetic additive Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000012798 spherical particle Substances 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000875 Dissolving pulp Polymers 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229920000084 Gum arabic Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 241000978776 Senegalia senegal Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000205 acacia gum Substances 0.000 description 1
- 235000010489 acacia gum Nutrition 0.000 description 1
- 230000000397 acetylating effect Effects 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000000973 cosmetic coloring agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 239000001863 hydroxypropyl cellulose Substances 0.000 description 1
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 229920003124 powdered cellulose Polymers 0.000 description 1
- 235000019814 powdered cellulose Nutrition 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
- A61K8/73—Polysaccharides
- A61K8/731—Cellulose; Quaternized cellulose derivatives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
- A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
- A61K2800/41—Particular ingredients further characterized by their size
- A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Birds (AREA)
- Epidemiology (AREA)
- Cosmetics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9519883A JPS59219333A (ja) | 1983-05-30 | 1983-05-30 | 酢酸セルロ−ス球状微小粉末の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9519883A JPS59219333A (ja) | 1983-05-30 | 1983-05-30 | 酢酸セルロ−ス球状微小粉末の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59219333A true JPS59219333A (ja) | 1984-12-10 |
| JPH0345734B2 JPH0345734B2 (enrdf_load_stackoverflow) | 1991-07-12 |
Family
ID=14131050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9519883A Granted JPS59219333A (ja) | 1983-05-30 | 1983-05-30 | 酢酸セルロ−ス球状微小粉末の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59219333A (enrdf_load_stackoverflow) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190110A (ja) * | 1986-02-15 | 1987-08-20 | Fuji Boseki Kk | キトサン配合化粧料 |
| JPS62190109A (ja) * | 1986-02-15 | 1987-08-20 | Fuji Boseki Kk | キチン配合化粧料 |
| JP2001520290A (ja) * | 1997-10-17 | 2001-10-30 | ハーキュリーズ・インコーポレイテッド | 微小粒子サイズかつ低嵩密度の熱可塑性ポリマー |
| JP2012025896A (ja) * | 2010-07-27 | 2012-02-09 | Konica Minolta Opto Inc | セルロースエステルとその製造方法、及び光学フィルム |
| JP2016500129A (ja) * | 2012-10-24 | 2016-01-07 | セラニーズ アセテート，エルエルシー | 多糖エステルミクロスフェア並びにそれに関する方法及び物品 |
| JP2018024803A (ja) * | 2016-08-12 | 2018-02-15 | 富士ゼロックス株式会社 | セルロースアシレート、樹脂組成物、及び、樹脂成形体 |
| WO2019156116A1 (ja) * | 2018-02-07 | 2019-08-15 | 株式会社ダイセル | セルロースアセテート粒子、化粧品組成物及びセルロースアセテート粒子の製造方法 |
| JP6694559B1 (ja) * | 2019-03-18 | 2020-05-13 | 株式会社ダイセル | セルロースアセテートを含む粒子、化粧品組成物、及びセルロースアセテートを含む粒子の製造方法 |
| JP6762407B1 (ja) * | 2019-07-10 | 2020-09-30 | 大日精化工業株式会社 | 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品 |
| WO2021006269A1 (ja) * | 2019-07-10 | 2021-01-14 | 大日精化工業株式会社 | 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品 |
| WO2022050004A1 (ja) * | 2020-09-01 | 2022-03-10 | 大日精化工業株式会社 | 樹脂ビーズ、樹脂ビーズの製造方法、及び樹脂ビーズを用いた製品 |
| US11998630B2 (en) | 2020-03-04 | 2024-06-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Resin beads, method for producing resin beads and product using resin beads |
| WO2024197207A1 (en) | 2023-03-22 | 2024-09-26 | Eastman Chemical Company | Biodegradable cellulose ester microparticles and systems and methods for the production thereof |
| US12194117B2 (en) | 2020-12-23 | 2025-01-14 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Resin beads, method for producing resin beads, and product using resin beads |
-
1983
- 1983-05-30 JP JP9519883A patent/JPS59219333A/ja active Granted
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62190110A (ja) * | 1986-02-15 | 1987-08-20 | Fuji Boseki Kk | キトサン配合化粧料 |
| JPS62190109A (ja) * | 1986-02-15 | 1987-08-20 | Fuji Boseki Kk | キチン配合化粧料 |
| JP2001520290A (ja) * | 1997-10-17 | 2001-10-30 | ハーキュリーズ・インコーポレイテッド | 微小粒子サイズかつ低嵩密度の熱可塑性ポリマー |
| JP2012025896A (ja) * | 2010-07-27 | 2012-02-09 | Konica Minolta Opto Inc | セルロースエステルとその製造方法、及び光学フィルム |
| JP2016500129A (ja) * | 2012-10-24 | 2016-01-07 | セラニーズ アセテート，エルエルシー | 多糖エステルミクロスフェア並びにそれに関する方法及び物品 |
| JP2018024803A (ja) * | 2016-08-12 | 2018-02-15 | 富士ゼロックス株式会社 | セルロースアシレート、樹脂組成物、及び、樹脂成形体 |
| WO2019156116A1 (ja) * | 2018-02-07 | 2019-08-15 | 株式会社ダイセル | セルロースアセテート粒子、化粧品組成物及びセルロースアセテート粒子の製造方法 |
| US11628134B2 (en) | 2018-02-07 | 2023-04-18 | Daicel Corporation | Cellulose acetate particles, cosmetic composition, and method of producing cellulose acetate particles |
| JP6694559B1 (ja) * | 2019-03-18 | 2020-05-13 | 株式会社ダイセル | セルロースアセテートを含む粒子、化粧品組成物、及びセルロースアセテートを含む粒子の製造方法 |
| WO2020188698A1 (ja) * | 2019-03-18 | 2020-09-24 | 株式会社ダイセル | セルロースアセテートを含む粒子、化粧品組成物、及びセルロースアセテートを含む粒子の製造方法 |
| WO2021006269A1 (ja) * | 2019-07-10 | 2021-01-14 | 大日精化工業株式会社 | 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品 |
| JP2021014567A (ja) * | 2019-07-10 | 2021-02-12 | 大日精化工業株式会社 | 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品 |
| CN114080415A (zh) * | 2019-07-10 | 2022-02-22 | 大日精化工业株式会社 | 树脂珠的制造方法、树脂珠和使用了树脂珠的制品 |
| CN114080415B (zh) * | 2019-07-10 | 2022-06-28 | 大日精化工业株式会社 | 树脂珠的制造方法、树脂珠和使用了树脂珠的制品 |
| US11548999B2 (en) | 2019-07-10 | 2023-01-10 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Method for manufacturing resin beads, resin beads, and product employing resin beads |
| JP6762407B1 (ja) * | 2019-07-10 | 2020-09-30 | 大日精化工業株式会社 | 樹脂ビーズの製造方法、樹脂ビーズ、及び樹脂ビーズを用いた製品 |
| US11998630B2 (en) | 2020-03-04 | 2024-06-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Resin beads, method for producing resin beads and product using resin beads |
| WO2022050004A1 (ja) * | 2020-09-01 | 2022-03-10 | 大日精化工業株式会社 | 樹脂ビーズ、樹脂ビーズの製造方法、及び樹脂ビーズを用いた製品 |
| KR20230042599A (ko) * | 2020-09-01 | 2023-03-28 | 다이니치 세이카 고교 가부시키가이샤 | 수지 비드, 수지 비드의 제조 방법 및 수지 비드를 사용한 제품 |
| US11926718B2 (en) | 2020-09-01 | 2024-03-12 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Resin beads, method for producing resin beads, and product using resin beads |
| US12194117B2 (en) | 2020-12-23 | 2025-01-14 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Resin beads, method for producing resin beads, and product using resin beads |
| WO2024197207A1 (en) | 2023-03-22 | 2024-09-26 | Eastman Chemical Company | Biodegradable cellulose ester microparticles and systems and methods for the production thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0345734B2 (enrdf_load_stackoverflow) | 1991-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59219333A (ja) | 酢酸セルロ−ス球状微小粉末の製造法 | |
| JP2564386B2 (ja) | 水不溶性ポリマーの粉末の調整方法 | |
| US2843583A (en) | Preparation of finely-divided cellulose derivative compositions | |
| CN104558640B (zh) | 一种二醋酸纤维素微粒的制备方法 | |
| US3247065A (en) | Free-flowing coated ascorbic acid | |
| JPH0598589A (ja) | セルロース粒子微細繊維状粉砕物の製造方法 | |
| EP0481004A1 (en) | THICKENED POLYETHERSULFONE. | |
| CN114555678B (zh) | 纤维素粒子及纤维素粒子的制造方法 | |
| US6180236B1 (en) | Hollow silicone resin particles and method for the preparation thereof | |
| US2843582A (en) | Preparation of finely-divided cellulose derivatives | |
| JPH04337331A (ja) | 微粉体状改質シルクパウダー水分散液の製造法及び微粉体状改質シルクパウダーの製造法 | |
| JP2001502012A (ja) | 微細固体粒子を含む組成物 | |
| US4329451A (en) | Preparing an aqueous dispersion of colloidal size particles of a water-insoluble polysaccharide derivative | |
| JPH01158042A (ja) | 球状ポリマ微粉末の製造方法 | |
| US2809192A (en) | Method of making cellulose esters in the form of small, dense, spherical particles | |
| JP3516358B2 (ja) | カルボキシメチルセルロースエーテルアルカリ塩の造粒乾燥方法 | |
| US4119687A (en) | Process for the production of powder-form hydrolyzed ethylene/vinyl acetate copolymers | |
| JP6929853B2 (ja) | ヒドロキシプロピルメチルセルロースフタレート粒子及びその製造方法 | |
| JPH0326729A (ja) | 多孔質ポリマー微小球の製法 | |
| JPS62267339A (ja) | セルロ−ス有機酸エステルビ−ズの製造法 | |
| JPH07102113A (ja) | 水に容易に分散する複合体 | |
| TW202325747A (zh) | 纖維素珠粒的製造方法 | |
| JPH0819242B2 (ja) | 塩化ビニル系樹脂プラスチゾルの製造方法 | |
| JPH0770365A (ja) | 水分散性組成物 | |
| TW202319454A (zh) | 纖維素珠粒的製造方法 |