CN105602110A - Preparation method of stearate hyperbranched polyether grafted sisal microcrystals - Google Patents
Preparation method of stearate hyperbranched polyether grafted sisal microcrystals Download PDFInfo
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- CN105602110A CN105602110A CN201610063341.2A CN201610063341A CN105602110A CN 105602110 A CN105602110 A CN 105602110A CN 201610063341 A CN201610063341 A CN 201610063341A CN 105602110 A CN105602110 A CN 105602110A
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- Prior art keywords
- sisal hemp
- microcrystals
- sisal
- stearate
- hyperbranched polyether
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- 244000198134 Agave sisalana Species 0.000 title claims abstract description 42
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 30
- 229920000570 polyether Polymers 0.000 title claims abstract description 30
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 239000013081 microcrystal Substances 0.000 title abstract 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000000047 product Substances 0.000 claims abstract description 12
- 238000001291 vacuum drying Methods 0.000 claims abstract description 12
- CTKINSOISVBQLD-UHFFFAOYSA-N Glycidol Chemical compound OCC1CO1 CTKINSOISVBQLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000021355 Stearic acid Nutrition 0.000 claims abstract description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims abstract description 8
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000008117 stearic acid Substances 0.000 claims abstract description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims abstract description 7
- BDAWXSQJJCIFIK-UHFFFAOYSA-N potassium methoxide Chemical compound [K+].[O-]C BDAWXSQJJCIFIK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000010992 reflux Methods 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000003054 catalyst Substances 0.000 claims abstract description 5
- 235000011624 Agave sisalana Nutrition 0.000 claims description 36
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 18
- 239000002244 precipitate Substances 0.000 claims description 10
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims description 5
- 238000010792 warming Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 2
- 239000004327 boric acid Substances 0.000 claims description 2
- 229920001587 Wood-plastic composite Polymers 0.000 abstract description 8
- 239000011155 wood-plastic composite Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 238000011031 large-scale manufacturing process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 2
- 238000005303 weighing Methods 0.000 abstract 2
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 241000746976 Agavaceae Species 0.000 description 1
- 244000099147 Ananas comosus Species 0.000 description 1
- 235000007119 Ananas comosus Nutrition 0.000 description 1
- 241001669679 Eleotris Species 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 238000012653 anionic ring-opening polymerization Methods 0.000 description 1
- 239000003519 biomedical and dental material Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 description 1
- 102220040412 rs587778307 Human genes 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/331—Polymers modified by chemical after-treatment with organic compounds containing oxygen
- C08G65/332—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof
- C08G65/3322—Polymers modified by chemical after-treatment with organic compounds containing oxygen containing carboxyl groups, or halides, or esters thereof acyclic
Abstract
The invention discloses a preparation method of stearate hyperbranched polyether grafted sisal microcrystals. The method comprises the following steps: weighing sisal microcrystals, tetrahydrofuran and potassium methoxide, sequentially adding into a three-neck flask, heating to react for 1 hour under the protection of N2, adding dioxane and glycide, heating to react for 24-26 hours, adding methanol to terminate the reaction, pouring the reaction product into an organic solvent to precipitate, filtering, and carrying out vacuum drying for 24 hours to obtain hydroxyl-terminated hyperbranched polyether grafted sisal microcrystals; weighing the hydroxyl-terminated hyperbranched polyether grafted sisal microcrystals, stearic acid and a catalyst, adding into a three-neck flask, and heating and stirring under reflux to react for 11-13 hours under the protection of N2; and after the reaction finishes, pouring the product into a beaker filled with an organic solvent, carrying out precipitation separation, filtering, and carrying out vacuum drying to obtain the stearate hyperbranched polyether grafted sisal microcrystals. The method has the advantages of abundant raw material, low price, small environmental pollution and simple preparation steps, and is convenient for large-scale production. The product can effectively toughen and modify the wood-plastic composite material.
Description
Technical field
The invention belongs to polymer modification technical field, particularly relate to a kind of preparation method of stearate hyperbranched polyether grafting sisal hemp crystallite.
Background technology
The appearance of PM2.5 index and more and more serious haze weather have beaten alarm bell to our environmental protection. Cause the reason of severe environmental pollution a lot, but the most primary or from the exhaust emission of enterprise, factory. The key of protection of the environment is to reduce the discharge of polluter, greatly develops ecological technique, and this is significant to Resources for construction saving, friendly environment society.
Under such background, this advantage that can bring into play each component in material of wood plastic composite, can make full use of again discarded timber and plastics, reduces environmental pollution, and the environment-friendly materials that reduce production costs more and more get more and more people's extensive concerning. Wood plastic composite had both had the formability of thermoplastic, had again the secondary workability of similar wood, was widely used in the fields such as packaging industry, railroad sleeper, building trade, garden courtyard and automobile inner decorative piece. Cellulose is the natural polymer that reserves are the abundantest, is inexhaustible natural reproducible resource. Sisal hemp has another name called pineapple fibre, belongs to Agavaceae, is perennial leaf fibre crop, Ye Shi world today consumption maximum, and a kind of hard fibre widest in area, its chemical composition is made up of cellulose, lignin, the large component of hemicellulose three and a small amount of extract. Soak because hard fibre characteristic has pure white, strong but pliable in texture (pulling force is strong), springiness, sea water resistance, rub resistance, be difficult for cataclasmly, and colloid is few, and the characteristic such as be difficult for skidding, is the high-quality raw material of preparing wood plastic composite.
Dissaving polymer is the class novel high polymer material growing up nearest decades, the three dimensions molecular structure of its almost spherical shape makes to tangle between strand less, thereby has low viscosity, is difficult for the superior physical and chemical performance such as crystallization and good fluidity. Dissaving polymer can be synthetic by the method for " treating different things alike ", and without careful separation, operating process is simple, can prepare on a large scale and cheaply. Meanwhile, this highly branched structure can, by chemical modification with a large amount of active function groups, have important using value in fields such as nano material, photoelectric material, bio-medical material and supramolecular materials.
The present invention proposes, taking glycidol and sisal hemp crystallite as raw material, to synthesize a kind of superbrnaching end-hydroxy polyether grafting sisal hemp crystallite, then make stearate hyperbranched polyether grafting sisal hemp crystallite with stearic acid generation esterification by anionic ring-opening polymerization. This Research Thinking has no bibliographical information at present.
Summary of the invention
The object of this invention is to provide a kind of preparation method of stearate hyperbranched polyether grafting sisal hemp crystallite.
Concrete steps are:
(1) weigh 0.16 ~ 0.32g sisal hemp crystallite, 10 ~ 20ml oxolane and 40 ~ 80ul potassium methoxide, add successively in the there-necked flask of 250ml N2Under protection, be warming up to 50 ~ 60 DEG C; after isothermal reaction 1h; add again 20 ~ 40ml dioxane and 1.8 ~ 4ml glycidol; be heated to after 92 ~ 95 DEG C of reaction 24 ~ 26h; add 3 ~ 5ml methyl alcohol cessation reaction, finally pour in 50ml organic solvent and precipitate, filter; vacuum drying 24h, makes superbrnaching end-hydroxy polyether grafting sisal hemp crystallite.
(2) take raw material according to following mass ratio, the superbrnaching end-hydroxy polyether grafting sisal hemp crystallite that step (1) makes: stearic acid: catalyst=1:22 ~ 45:0.28 ~ 0.56, the raw material taking adds in there-necked flask at N2Under protection, at 120 ~ 130 DEG C, stirring and refluxing is reacted 11 ~ 13h, after reaction finishes, product is poured into precipitate and separate in the beaker that 40 ~ 50ml organic solvent is housed, filter, and vacuum drying, products therefrom is stearate hyperbranched polyether grafting sisal hemp crystallite.
Described organic solvent is one or both in ethanol and acetone.
Described catalyst is one or more in phosphoric acid, boric acid, p-methyl benzenesulfonic acid and sulfuric acid.
The inventive method has the following advantages:
(1) raw material resources are abundant, and cheap, environmental pollution is little.
(2) preparation process is simple, is convenient to large-scale production.
(3) prepared stearate hyperbranched polyether grafting sisal hemp crystallite polarity intermiscibility low and nonpolar acrylic resin is good, can significantly improve interface compatibility, mechanical property and the processing rheological property of wood plastic composite.
Detailed description of the invention
The primary raw material that following examples are used: stearic acid (SA, 1801), sisal hemp crystallite (MCC, white powder), glycidol (GLD analyzes pure), potassium methoxide solution (CH3OK, analyzes pure), oxolane (chemical pure), dioxane (chemical pure), methyl alcohol (chemical pure), acetone (chemical pure), precipitated calcium carbonate (CaCO3, food stage), polypropylene (PP, T30S).
Embodiment 1:
(1) weigh 0.16g sisal hemp crystallite, 15ml oxolane and 40ul potassium methoxide solution, add successively in the there-necked flask of 250ml N2Under protection, be warming up to 55 DEG C; after isothermal reaction 1h; add again 20ml dioxane and 1.8ml glycidol; be heated to after 95 DEG C of reaction 24h; add 3ml methyl alcohol cessation reaction, finally pour in 50ml acetone and precipitate, filter; vacuum drying 24h, makes superbrnaching end-hydroxy polyether grafting sisal hemp crystallite.
(2) take raw material according to following mass ratio, the superbrnaching end-hydroxy polyether grafting sisal hemp crystallite that step (1) makes: stearic acid: p-methyl benzenesulfonic acid=1:22:0.28, the raw material taking adds in there-necked flask at N2Under protection, at 130 DEG C, stirring and refluxing is reacted 11h, after reaction finishes, product is poured into precipitate and separate in the beaker that 40ml acetone is housed, filter, and vacuum drying, products therefrom is stearate hyperbranched polyether grafting sisal hemp crystallite.
Take 60gPP, 40gCaCO3, the stearate hyperbranched polyether grafting sisal hemp crystallite that 2g the present embodiment makes, high-speed stirred mixes, extruding pelletization in double-screw plastic extrusion machine, then injection moulding in vertical injection molding machine, obtains the CaCO of sisal hemp crystallite modification3/ PP wood plastic composite. The heat decomposition temperature of this composite is brought up to 474 DEG C by unmodified 358 DEG C, and melt index is brought up to 3.50g/10min by 1.71g/10min, and impact strength is by 19.1KJ/m2Bring up to 38.3KJ/m2, toughness is by 112.5J/m3Bring up to 1255.8J/m3。
Embodiment 2:
(1) weigh 0.24g sisal hemp crystallite, 15ml oxolane and 50ul potassium methoxide solution, add successively in the there-necked flask of 250ml N2Under protection, be warming up to 55 DEG C; after isothermal reaction 1h; add again 30ml dioxane and 3ml glycidol; be heated to after 92 DEG C of reaction 26h; add 3.5ml methyl alcohol cessation reaction, finally pour in 50ml acetone and precipitate, filter; vacuum drying 24h, makes superbrnaching end-hydroxy polyether grafting sisal hemp crystallite.
(2) take raw material according to following mass ratio, the superbrnaching end-hydroxy polyether grafting sisal hemp crystallite that step (1) makes: stearic acid: p-methyl benzenesulfonic acid=1:30:0.38, the raw material taking adds in there-necked flask at N2Under protection, at 125 DEG C, stirring and refluxing is reacted 12h, after reaction finishes, product is poured into precipitate and separate in the beaker that 45ml acetone is housed, filter, and vacuum drying, products therefrom is stearate hyperbranched polyether grafting sisal hemp crystallite.
Take 60gPP, 40gCaCO3, the stearate hyperbranched polyether grafting sisal hemp crystallite that 3g the present embodiment makes, high-speed stirred mixes, extruding pelletization in double-screw plastic extrusion machine, then injection moulding in vertical injection molding machine, obtains the CaCO of sisal hemp crystallite modification3/ PP wood plastic composite. The heat decomposition temperature of this composite is brought up to 476 DEG C by unmodified 358 DEG C, and melt index is brought up to 4.14g/10min by 1.71g/10min, and impact strength is by 19.1KJ/m2Bring up to 55.8KJ/m2, toughness is by 112.5J/m3Bring up to 1750.1J/m3。
Embodiment 3:
(1) weigh 0.32g sisal hemp crystallite, 20ml oxolane and 80ul potassium methoxide solution, add successively in the there-necked flask of 250ml N2Under protection, be warming up to 55 DEG C; after isothermal reaction 1h; add again 40ml dioxane and 4ml glycidol; be heated to after 93.5 DEG C of reaction 25h; add 4ml methyl alcohol cessation reaction, finally pour in 50ml acetone and precipitate, filter; vacuum drying 24h, makes superbrnaching end-hydroxy polyether grafting sisal hemp crystallite.
(2) take raw material according to following mass ratio, the superbrnaching end-hydroxy polyether grafting sisal hemp crystallite that step (1) makes: stearic acid: p-methyl benzenesulfonic acid=1:45:0.56, the raw material taking adds in there-necked flask at N2Under protection, at 120 DEG C, stirring and refluxing is reacted 13h, after reaction finishes, product is poured into precipitate and separate in the beaker that 50ml acetone is housed, filter, and vacuum drying, products therefrom is stearate hyperbranched polyether grafting sisal hemp crystallite.
Take 60gPP, 40gCaCO3, the stearate hyperbranched polyether grafting sisal hemp crystallite that 4g the present embodiment makes, high-speed stirred mixes, extruding pelletization in double-screw plastic extrusion machine, then injection moulding in vertical injection molding machine, obtains the CaCO of sisal hemp crystallite modification3/ PP wood plastic composite. The heat decomposition temperature of this composite is brought up to 477 DEG C by unmodified 358 DEG C, and melt index is brought up to 5.23g/10min by 1.71g/10min, and impact strength is by 19.1KJ/m2Bring up to 64.7KJ/m2, toughness is by 112.5J/m3Bring up to 2186.7J/m3。
Claims (1)
1. a preparation method for stearate hyperbranched polyether grafting sisal hemp crystallite, is characterized in that concrete steps are:
(1) weigh 0.16 ~ 0.32g sisal hemp crystallite, 10 ~ 20ml oxolane and 40 ~ 80ul potassium methoxide, add successively in the there-necked flask of 250ml N2Under protection, be warming up to 50 ~ 60 DEG C, after isothermal reaction 1h, add again 20 ~ 40ml dioxane and 1.8 ~ 4ml glycidol, be heated to after 92 ~ 95 DEG C of reaction 24 ~ 26h, add 3 ~ 5ml methyl alcohol cessation reaction, finally pour in 50ml organic solvent and precipitate, filter, vacuum drying 24h, makes superbrnaching end-hydroxy polyether grafting sisal hemp crystallite;
(2) take raw material according to following mass ratio, the superbrnaching end-hydroxy polyether grafting sisal hemp crystallite that step (1) makes: stearic acid: catalyst=1:22 ~ 45:0.28 ~ 0.56, the raw material taking adds in there-necked flask at N2Under protection, at 120 ~ 130 DEG C, stirring and refluxing is reacted 11 ~ 13h, after reaction finishes, product is poured into precipitate and separate in the beaker that 40 ~ 50ml organic solvent is housed, filter, and vacuum drying, products therefrom is stearate hyperbranched polyether grafting sisal hemp crystallite;
Described organic solvent is one or both in ethanol and acetone;
Described catalyst is one or more in phosphoric acid, boric acid, p-methyl benzenesulfonic acid and sulfuric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610063341.2A CN105602110B (en) | 2016-01-31 | 2016-01-31 | A kind of preparation method of stearate hyperbranched polyether grafting sisal hemp crystallite |
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| CN201610063341.2A CN105602110B (en) | 2016-01-31 | 2016-01-31 | A kind of preparation method of stearate hyperbranched polyether grafting sisal hemp crystallite |
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| CN105602110A true CN105602110A (en) | 2016-05-25 |
| CN105602110B CN105602110B (en) | 2018-04-13 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008189732A (en) * | 2007-02-01 | 2008-08-21 | Fujifilm Corp | Cellulose acylate composition, cellulose acylate film, optical compensation sheet, polarizing plate and liquid crystal display |
| CN103554510A (en) * | 2013-11-02 | 2014-02-05 | 广西民族大学 | Amino-terminated modified cellulose, and preparation method and application thereof |
| CN103951830A (en) * | 2014-05-25 | 2014-07-30 | 桂林理工大学 | Preparation method of hyperbranched polyester graft modified sisal fiber cellulose microcrystal |
| CN104761749A (en) * | 2015-04-03 | 2015-07-08 | 四川大学 | Cellulose nanofiber hyperbranched modification method |
-
2016
- 2016-01-31 CN CN201610063341.2A patent/CN105602110B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008189732A (en) * | 2007-02-01 | 2008-08-21 | Fujifilm Corp | Cellulose acylate composition, cellulose acylate film, optical compensation sheet, polarizing plate and liquid crystal display |
| CN103554510A (en) * | 2013-11-02 | 2014-02-05 | 广西民族大学 | Amino-terminated modified cellulose, and preparation method and application thereof |
| CN103951830A (en) * | 2014-05-25 | 2014-07-30 | 桂林理工大学 | Preparation method of hyperbranched polyester graft modified sisal fiber cellulose microcrystal |
| CN104761749A (en) * | 2015-04-03 | 2015-07-08 | 四川大学 | Cellulose nanofiber hyperbranched modification method |
Non-Patent Citations (1)
| Title |
|---|
| 黄萍珍 等: "超支化聚醚的合成与应用", 《高分子通报》 * |
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Effective date of registration: 20230512 Address after: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000 Patentee after: Chengdu yishenrui Technology Co.,Ltd. Address before: 541004 the Guangxi Zhuang Autonomous Region Guilin Construction Road No. 12 Patentee before: GUILIN University OF TECHNOLOGY Effective date of registration: 20230512 Address after: 257000 North of Weiqi Road and West of Jinger Road, New Material Industrial Park, Dongying Port Economic Development Zone, Dongying City, Shandong Province Patentee after: Dongying Ruilaibao New Materials Co.,Ltd. Address before: No.13, 3rd floor, building 1, No.1, Tidu street, Qingyang District, Chengdu, Sichuan 610000 Patentee before: Chengdu yishenrui Technology Co.,Ltd. |
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Denomination of invention: A preparation method of stearate hyperbranched polyether grafted sisal microcrystals Effective date of registration: 20230728 Granted publication date: 20180413 Pledgee: Dongying Rural Commercial Bank Co.,Ltd. Hekou sub branch Pledgor: Dongying Ruilaibao New Materials Co.,Ltd. Registration number: Y2023980050327 |
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