CN112889676A - Hydrophilic modified plant fiber cat litter material and preparation method thereof - Google Patents
Hydrophilic modified plant fiber cat litter material and preparation method thereof Download PDFInfo
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- CN112889676A CN112889676A CN202110075515.8A CN202110075515A CN112889676A CN 112889676 A CN112889676 A CN 112889676A CN 202110075515 A CN202110075515 A CN 202110075515A CN 112889676 A CN112889676 A CN 112889676A
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- 241000282326 Felis catus Species 0.000 title claims abstract description 123
- 239000000835 fiber Substances 0.000 title claims abstract description 100
- 239000000463 material Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 241000196324 Embryophyta Species 0.000 claims abstract description 95
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000002250 absorbent Substances 0.000 claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 38
- 230000002745 absorbent Effects 0.000 claims abstract description 37
- 239000002994 raw material Substances 0.000 claims abstract description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 25
- 238000012216 screening Methods 0.000 claims abstract description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 20
- 240000008042 Zea mays Species 0.000 claims abstract description 17
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 17
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 17
- 235000005822 corn Nutrition 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 229920002907 Guar gum Polymers 0.000 claims abstract description 15
- 229960002154 guar gum Drugs 0.000 claims abstract description 15
- 235000010417 guar gum Nutrition 0.000 claims abstract description 15
- 239000000665 guar gum Substances 0.000 claims abstract description 15
- 235000013312 flour Nutrition 0.000 claims abstract description 14
- 239000008213 purified water Substances 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 40
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 20
- 239000008367 deionised water Substances 0.000 claims description 20
- 229910021641 deionized water Inorganic materials 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 15
- 239000000376 reactant Substances 0.000 claims description 15
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 10
- ZEYUSQVGRCPBPG-UHFFFAOYSA-N 4,5-dihydroxy-1,3-bis(hydroxymethyl)imidazolidin-2-one Chemical compound OCN1C(O)C(O)N(CO)C1=O ZEYUSQVGRCPBPG-UHFFFAOYSA-N 0.000 claims description 10
- 238000000227 grinding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 7
- 239000010902 straw Substances 0.000 claims description 7
- 239000011837 N,N-methylenebisacrylamide Substances 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 5
- 239000012634 fragment Substances 0.000 claims description 5
- 239000011259 mixed solution Substances 0.000 claims description 5
- 235000009814 Luffa aegyptiaca Nutrition 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 240000000249 Morus alba Species 0.000 claims description 3
- 235000008708 Morus alba Nutrition 0.000 claims description 3
- 240000000491 Corchorus aestuans Species 0.000 claims description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 claims description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 244000280244 Luffa acutangula Species 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 15
- 238000004332 deodorization Methods 0.000 abstract description 6
- 235000011837 pasties Nutrition 0.000 abstract 2
- 238000002156 mixing Methods 0.000 abstract 1
- 239000000499 gel Substances 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000428 dust Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- 239000002023 wood Substances 0.000 description 5
- 239000000440 bentonite Substances 0.000 description 4
- 229910000278 bentonite Inorganic materials 0.000 description 4
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 4
- 235000013311 vegetables Nutrition 0.000 description 4
- 244000302544 Luffa aegyptiaca Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002504 physiological saline solution Substances 0.000 description 3
- 235000013527 bean curd Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 210000002700 urine Anatomy 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 238000012935 Averaging Methods 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 235000011755 Nepeta hederacea Nutrition 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0154—Litter comprising inorganic material
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/015—Floor coverings, e.g. bedding-down sheets ; Stable floors
- A01K1/0152—Litter
- A01K1/0155—Litter comprising organic material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/18—Compounds of alkaline earth metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/001—Heating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a hydrophilic modified plant fiber cat litter material and a preparation method thereof, wherein the cat litter material comprises the following raw materials in parts by weight: 100-200 parts of hydrophilic modified plant fiber, 50-80 parts of corn flour, 10-30 parts of guar gum, 20-40 parts of activated carbon, 10-50 parts of diatomite, 50-100 parts of super absorbent resin and 50-100 parts of purified water; the preparation method of the cat litter comprises the following steps: step S1: mixing the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin to prepare a mixture, and performing step S2: adding guar gum and purified water into the mixture, stirring to obtain a pasty raw material, and performing step S3: extruding and forming the pasty raw material, cutting and drying to obtain crude cat litter, and step S4: and screening the crude cat litter to obtain the hydrophilic modified plant fiber cat litter. The cat litter provided by the invention has good comprehensive performances of water absorption, deodorization and comfort.
Description
Technical Field
The invention belongs to the technical field of cat litter preparation, and particularly relates to a hydrophilic modified plant fiber cat litter material and a preparation method thereof.
Background
The cat litter is an object used for burying excrement and urine for the cat raised by the cat litter, has better water absorption, can be generally used together with the cat litter basin, and is poured into the cat litter basin by a proper amount, so that the cat litter can be discharged on the cat litter basin by the trained cat when the cat litter needs to be discharged.
Cat litter kind on the market at present has a lot, like quartzy cat litter, bentonite cat litter, saw-dust cat litter, bean curd cat litter etc. but generally all have certain influence to the environmental protection, like quartzy cat litter: its main component is silica, and is therefore also known as silica gel cat litter. The crystal cat litter is light in weight, is not easy to crack, and can inhibit the growth of bacteria. The crystal cat litter has the advantages of strong deodorization, good moisture absorption effect, lasting effect and convenient treatment. However, the large beads can cause pain when the cat steps on the cat, and the crystal cat litter mainly contains silicon dioxide which has certain toxicity and is not safe for the cats who like to eat the cat litter; the bentonite cat litter can be called as coagulated cat litter, is the most popular cat litter used at present, has strong hygroscopicity, can absorb moisture and urine in excrement and can be coagulated into a lump, so that the cat litter can be eradicated together when being cleaned, is sanitary and convenient, is lighter and has better cat foot feeling, but a layer of white powder can be formed on furniture used for a long time, the cat also has a soil fishy smell, the particles of the bentonite cat litter are smaller, and the cat can be clamped in the toe seams of the cat when being used and is easy to be licked by the cat, and the home environment is influenced; wood chip cat litter: the main raw material adopts the wood dust, although no dust or little dust exists, the anti-seepage capability is very strong, the caking and odor absorption functions are better, the water absorption effect is strong, and the peculiar smell is less, but the wood dust cat litter is easy to be affected with damp and generate fleas, has the taste of wood, and undoubtedly generates heterogeneous pests in the family environment. Therefore, there is a need to develop cat litter that has good moisture absorption and good deodorizing properties and is harmless to cats.
Disclosure of Invention
The invention aims to provide a hydrophilic modified plant fiber cat litter material and a preparation method thereof.
The technical problems to be solved by the invention are as follows: 1. the problem that the existing crystal cat litter and bentonite cat litter are unsafe to cats is solved; 2. the problem of current environmental protection cat litter moisture absorption nature, deodorization nature not good is solved.
The purpose of the invention can be realized by the following technical scheme:
a hydrophilic modified plant fiber cat litter material comprises the following raw materials in parts by weight: 100-200 parts of hydrophilic modified plant fiber, 50-80 parts of corn flour, 10-30 parts of guar gum, 20-40 parts of activated carbon, 10-50 parts of diatomite, 50-100 parts of super absorbent resin and 50-100 parts of purified water;
the hydrophilic modified plant fiber cat litter is prepared by the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to the parts by weight, and stirring for 5-10min at the rotating speed of 80-120r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to the parts by weight, and stirring at the rotating speed of 100-150r/min for 10-15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
Further, the hydrophilic modified plant fiber is prepared by the following steps:
step A1: crushing and screening the plant fiber base material to obtain plant fiber scraps;
step A2: b, adding the plant fiber fragments obtained in the step A1 into a heating kettle, adding 10-30% of lime water into a reaction kettle, heating the mixed solution to 60-80 ℃, stirring at the rotating speed of 40-60r/min for 2-4h, filtering the reactant, and drying the obtained filter residue to obtain the alkalized plant fiber;
step A3: and B, placing the alkalized plant fiber obtained in the step A2 into a reaction kettle, adding deionized water, dimethylol dihydroxy ethylene urea and ammonium persulfate, stirring at the rotating speed of 60-100r/min for 5-10min, standing for 2-3h, filtering and drying reactants, and thus obtaining the hydrophilic modified plant fiber.
Furthermore, the plant fiber base material is one or more of corn straw, rice straw, loofah sponge, wood dust, leaves, jute and mulberry bark, and the aperture of the plant fiber debris screening screen is 0.5-2 mm.
Further, the dosage ratio of the alkalized plant fibers, the deionized water, the dimethylol dihydroxy ethylene urea and the ammonium persulfate in the step A3 is 100 g: 10 ml: 0.2 g: 0.1 g.
Further, the super absorbent resin is prepared by the following steps:
step B1: adding deionized water, acrylic acid, N-methylene bisacrylamide and ammonium persulfate into a reaction kettle, stirring for 5-10min at the rotating speed of 60-100r/min, placing reactants into a constant-temperature water bath kettle, and standing for 4-6h at the temperature of 60-70 ℃ to obtain jelly-like gel;
step B2: filtering the jelly-shaped gel prepared in the step B1 to remove filtrate, and drying the filtered gel at 50-60 ℃ to constant weight to obtain super absorbent resin blocks;
step B3: and D, crushing and grinding the super absorbent resin block obtained in the step B2, and screening by using a 50-mesh screen after grinding to obtain the super absorbent resin.
Further, in the step B1, the usage ratio of the deionized water, the acrylic acid, the N, N-methylene bisacrylamide and the ammonium persulfate is as follows: 30 ml: 6 g: 0.2 g: 0.1 g.
A preparation method of hydrophilic modified plant fiber cat litter specifically comprises the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to the parts by weight, and stirring for 5-10min at the rotating speed of 80-120r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to the parts by weight, and stirring at the rotating speed of 100-150r/min for 10-15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
The invention has the beneficial effects that:
1. the hydrophilic modified plant fiber cat litter provided by the invention mainly adopts plant fibers and super absorbent resin as raw materials, food-grade guar gum is used as a bonding agent, the super absorbent resin is acrylic resin, the toxicity is extremely low in a drying state, and cats cannot hurt organisms after eating the super absorbent resin by mistake.
2. According to the hydrophilic modified plant fiber cat litter provided by the invention, the raw material plant fiber is subjected to hydrophilic modification treatment, so that the cat litter has good hydrophilicity, meanwhile, the high water-absorbent resin and the diatomite are added into the cat litter, so that the cat litter has good water absorption, excrement is prevented from being adhered to a cat body, and meanwhile, the cat litter is added with the activated carbon, so that the cat litter has a good deodorization effect.
3. The hydrophilic modified plant fiber cat litter provided by the invention is prepared from crop straws as a raw material, is wide in source and low in cost, is environment-friendly in treatment mode, and reduces the burning pollution of the straws.
4. The preparation method of the hydrophilic modified plant fiber cat litter material provided by the invention is simple in preparation steps and beneficial to batch production.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A hydrophilic modified plant fiber cat litter material comprises the following raw materials in parts by weight: 100 parts of hydrophilic modified plant fiber, 50 parts of corn flour, 10 parts of guar gum, 20 parts of activated carbon, 10 parts of diatomite, 50 parts of super absorbent resin and 50 parts of purified water;
the hydrophilic modified plant fiber cat litter is prepared by the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to parts by weight, and stirring for 5min at a rotating speed of 80r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to parts by weight, and stirring at the rotating speed of 100r/min for 10min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
The hydrophilic modified plant fiber is prepared by the following steps:
step A1: crushing and screening the plant fiber base material to obtain plant fiber scraps;
step A2: b, adding the plant fiber fragments obtained in the step A1 into a heating kettle, adding 10% of lime water into a reaction kettle, heating the mixed solution to 60 ℃, stirring for 2 hours at the rotating speed of 40r/min, filtering the reactant, and drying the obtained filter residue to obtain alkalized plant fiber;
step A3: and B, placing the alkalized plant fiber obtained in the step A2 into a reaction kettle, adding deionized water, dimethylol dihydroxy ethylene urea and ammonium persulfate, stirring at the rotating speed of 60r/min for 5min, standing for 2h, filtering and drying reactants, and thus obtaining the hydrophilic modified plant fiber.
The plant fiber substrate is corn straw, and the aperture of the plant fiber debris screening net is 0.5 mm.
The using ratio of the alkalized plant fibers, the deionized water, the dimethylol dihydroxy ethylene urea and the ammonium persulfate in the step A3 is 100 g: 10 ml: 0.2 g: 0.1 g.
The super absorbent resin is prepared by the following steps:
step B1: adding deionized water, acrylic acid, N-methylene bisacrylamide and ammonium persulfate into a reaction kettle, stirring at the rotating speed of 60r/min for 5min, placing reactants into a constant-temperature water bath kettle, and standing at the temperature of 60 ℃ for 4h to obtain jelly-like gel;
step B2: filtering the jelly-shaped gel prepared in the step B1 to remove filtrate, and drying the filtered gel at 50 ℃ to constant weight to obtain a super absorbent resin block;
step B3: and D, crushing and grinding the super absorbent resin block obtained in the step B2, and screening by using a 50-mesh screen after grinding to obtain the super absorbent resin.
The use ratio of the deionized water, the acrylic acid, the N, N-methylene-bisacrylamide and the ammonium persulfate in the step B1 is as follows: 30 ml: 6 g: 0.2 g: 0.1 g.
Example 2
A hydrophilic modified plant fiber cat litter material comprises the following raw materials in parts by weight: 150 parts of hydrophilic modified plant fiber, 80 parts of corn flour, 10 parts of guar gum, 30 parts of activated carbon, 20 parts of diatomite, 50 parts of super absorbent resin and 50 parts of purified water;
the hydrophilic modified plant fiber cat litter is prepared by the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to parts by weight, and stirring for 10min at a rotating speed of 100r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to parts by weight, and stirring at the rotating speed of 150r/min for 15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
The hydrophilic modified plant fiber is prepared by the following steps:
step A1: crushing and screening the plant fiber base material to obtain plant fiber scraps;
step A2: b, adding the plant fiber fragments obtained in the step A1 into a heating kettle, adding 10% of lime water into a reaction kettle, heating the mixed solution to 70 ℃, stirring for 2 hours at the rotating speed of 40r/min, filtering the reactant, and drying the obtained filter residue to obtain alkalized plant fiber;
step A3: and B, placing the alkalized plant fiber obtained in the step A2 into a reaction kettle, adding deionized water, dimethylol dihydroxy ethylene urea and ammonium persulfate, stirring at the rotating speed of 100r/min for 10min, standing for 3h, filtering and drying reactants, and thus obtaining the hydrophilic modified plant fiber.
The vegetable fiber base material is vegetable sponge, and the aperture of the vegetable fiber debris screening net is 1 mm.
The using ratio of the alkalized plant fibers, the deionized water, the dimethylol dihydroxy ethylene urea and the ammonium persulfate in the step A3 is 100 g: 10 ml: 0.2 g: 0.1 g.
The super absorbent resin is prepared by the following steps:
step B1: adding deionized water, acrylic acid, N-methylene bisacrylamide and ammonium persulfate into a reaction kettle, stirring at the rotating speed of 100r/min for 10min, placing reactants into a constant-temperature water bath kettle, and standing at the temperature of 60 ℃ for 6h to obtain jelly-like gel;
step B2: filtering the jelly-shaped gel prepared in the step B1 to remove filtrate, and drying the filtered gel at 50 ℃ to constant weight to obtain a super absorbent resin block;
step B3: and D, crushing and grinding the super absorbent resin block obtained in the step B2, and screening by using a 50-mesh screen after grinding to obtain the super absorbent resin.
The use ratio of the deionized water, the acrylic acid, the N, N-methylene-bisacrylamide and the ammonium persulfate in the step B1 is as follows: 30 ml: 6 g: 0.2 g: 0.1 g.
Example 3
A hydrophilic modified plant fiber cat litter material comprises the following raw materials in parts by weight: 200 parts of hydrophilic modified plant fiber, 80 parts of corn flour, 10 parts of guar gum, 20 parts of activated carbon, 30 parts of diatomite, 50 parts of super absorbent resin and 80 parts of purified water;
the hydrophilic modified plant fiber cat litter is prepared by the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to the parts by weight, and stirring for 10min at the rotating speed of 120r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to parts by weight, and stirring at the rotating speed of 100r/min for 15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
The hydrophilic modified plant fiber is prepared by the following steps:
step A1: crushing and screening the plant fiber base material to obtain plant fiber scraps;
step A2: b, adding the plant fiber fragments obtained in the step A1 into a heating kettle, adding 30% of lime water into a reaction kettle, heating the mixed solution to 80 ℃, stirring for 4 hours at the rotating speed of 60r/min, filtering the reactant, and drying the obtained filter residue to obtain alkalized plant fiber;
step A3: and B, placing the alkalized plant fiber obtained in the step A2 into a reaction kettle, adding deionized water, dimethylol dihydroxy ethylene urea and ammonium persulfate, stirring at the rotating speed of 80r/min for 10min, standing for 3h, filtering and drying reactants, and thus obtaining the hydrophilic modified plant fiber.
The vegetable fiber base material is a mixture of loofah sponge and mulberry bark, and the aperture of the vegetable fiber debris screening net is 0.5 mm.
The using ratio of the alkalized plant fibers, the deionized water, the dimethylol dihydroxy ethylene urea and the ammonium persulfate in the step A3 is 100 g: 10 ml: 0.2 g: 0.1 g.
The super absorbent resin is prepared by the following steps:
step B1: adding deionized water, acrylic acid, N-methylene bisacrylamide and ammonium persulfate into a reaction kettle, stirring at the rotating speed of 100r/min for 8min, placing reactants into a constant-temperature water bath kettle, and standing at 70 ℃ for 4h to obtain jelly-like gel;
step B2: filtering the jelly-shaped gel prepared in the step B1 to remove filtrate, and drying the filtered gel at 60 ℃ to constant weight to obtain a super absorbent resin block;
step B3: and D, crushing and grinding the super absorbent resin block obtained in the step B2, and screening by using a 50-mesh screen after grinding to obtain the super absorbent resin.
The use ratio of the deionized water, the acrylic acid, the N, N-methylene-bisacrylamide and the ammonium persulfate in the step B1 is as follows: 30 ml: 6 g: 0.2 g: 0.1 g.
Comparative example 1
Comparative example 1 is a commercial crystal cat litter.
Comparative example 2
Comparative example 2 is a commercially available tofu cat litter.
The above examples 1 to 3 and comparative examples 1 to 2 were subjected to performance tests, the contents and methods of which were as follows:
water absorption: taking a square box with a side length of 2cm and an opening at the bottom, filling cat litter in the square box, drying paper towels from the bottom of the box, dripping water from the top of the box by using a rubber head dropper, and recording the quantity of the dripping water as a water absorption score when the paper towels are wetted.
Deodorization: and (3) paving 200g of cat litter in a box, dropwise adding 20ml of ammonia water, inviting 20 pet cat owners, separating the cat litter by 50cm, evaluating and scoring the peculiar smell of the cat litter, wherein the score is 1-10, and averaging and scoring the odor removal score.
Comfort: 200g of cat litter is paved in a box, 30 random personnel are invited, the cat litter is pressed by hands, the hand feeling of the cat litter is evaluated and scored, the score is 1-10, and the average score is taken and recorded as the comfort score.
Water absorption rate: and (3) taking cat litter with the particle size of 2mm, flatly paving the cat litter in a cubic vessel with the side length of 10cm, taking 20ml of physiological saline with the temperature of 38 ℃ by using a dropper, dripping the physiological saline into the cat litter at the same speed and 3cm away from the surface of the cat litter, starting timing after all the physiological saline is dripped, and marking as a water absorption rate score when the cat litter absorbs all the water into a mass after the timing is ended.
The test data are shown in table 1:
TABLE 1
| Example 1 | Example 2 | Example 3 | Comparative example 1 | Comparative example 2 | |
| Water-absorbing property (drop) | 18 | 20 | 17 | 16 | 20 |
| Deodorant (fen) | 8 | 9 | 8.5 | 7 | 6 |
| Comfort (fen) | 7 | 8 | 9 | 6 | 8 |
| Water absorption Rate (second) | 2.1 | 1.8 | 2 | 3.5 | 3 |
The data in the table show that the cat litter provided by the invention has good comprehensive performances of water absorption, water absorption rate, deodorization and comfort.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (7)
1. The hydrophilic modified plant fiber cat litter material is characterized in that: the feed comprises the following raw materials in parts by weight: 100-200 parts of hydrophilic modified plant fiber, 50-80 parts of corn flour, 10-30 parts of guar gum, 20-40 parts of activated carbon, 10-50 parts of diatomite, 50-100 parts of super absorbent resin and 50-100 parts of purified water;
the hydrophilic modified plant fiber cat litter is prepared by the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to the parts by weight, and stirring for 5-10min at the rotating speed of 80-120r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to the parts by weight, and stirring at the rotating speed of 100-150r/min for 10-15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
2. The hydrophilically-modified plant fiber cat litter material of claim 1, wherein: the hydrophilic modified plant fiber is prepared by the following steps:
step A1: crushing and screening the plant fiber base material to obtain plant fiber scraps;
step A2: b, adding the plant fiber fragments obtained in the step A1 into a heating kettle, adding 10-30% of lime water into a reaction kettle, heating the mixed solution to 60-80 ℃, stirring at the rotating speed of 40-60r/min for 2-4h, filtering the reactant, and drying the obtained filter residue to obtain the alkalized plant fiber;
step A3: and B, placing the alkalized plant fiber obtained in the step A2 into a reaction kettle, adding deionized water, dimethylol dihydroxy ethylene urea and ammonium persulfate, stirring at the rotating speed of 60-100r/min for 5-10min, standing for 2-3h, filtering and drying reactants, and thus obtaining the hydrophilic modified plant fiber.
3. The hydrophilically-modified plant fiber cat litter material of claim 2, wherein: the plant fiber substrate is one or more of corn straw, rice straw, loofah sponge, sawdust, leaves, jute and mulberry bark, and the aperture of the plant fiber chip screening screen is 0.5-2 mm.
4. The hydrophilically-modified plant fiber cat litter material of claim 2, wherein: the using ratio of the alkalized plant fibers, the deionized water, the dimethylol dihydroxy ethylene urea and the ammonium persulfate in the step A3 is 100 g: 10 ml: 0.2 g: 0.1 g.
5. The hydrophilically-modified plant fiber cat litter material of claim 1, wherein: the super absorbent resin is prepared by the following steps:
step B1: adding deionized water, acrylic acid, N-methylene bisacrylamide and ammonium persulfate into a reaction kettle, stirring for 5-10min at the rotating speed of 60-100r/min, placing reactants into a constant-temperature water bath kettle, and standing for 4-6h at the temperature of 60-70 ℃ to obtain jelly-like gel;
step B2: filtering the jelly-shaped gel prepared in the step B1 to remove filtrate, and drying the filtered gel at 50-60 ℃ to constant weight to obtain super absorbent resin blocks;
step B3: and D, crushing and grinding the super absorbent resin block obtained in the step B2, and screening by using a 50-mesh screen after grinding to obtain the super absorbent resin.
6. The hydrophilically-modified plant fiber cat litter material of claim 5 wherein: the use ratio of the deionized water, the acrylic acid, the N, N-methylene-bisacrylamide and the ammonium persulfate in the step B1 is as follows: 30 ml: 6 g: 0.2 g: 0.1 g.
7. The method for preparing the hydrophilic modified plant fiber cat litter according to claim 1, wherein the method comprises the following steps: the method specifically comprises the following steps:
step S1: sequentially adding the hydrophilic modified plant fiber, the corn flour, the activated carbon, the diatomite and the super absorbent resin into a stirrer according to the parts by weight, and stirring for 5-10min at the rotating speed of 80-120r/min to obtain a mixture;
step S2: adding guar gum and purified water into the mixture obtained in the step S1 according to the parts by weight, and stirring at the rotating speed of 100-150r/min for 10-15min to obtain a cat litter paste raw material;
step S3: putting the cat litter paste raw material obtained in the step S2 into an extruder for extrusion molding, and cutting and drying the extruded raw material;
step S4: and (5) screening the cat litter obtained in the step (S3), and removing unqualified products to finish the preparation of the hydrophilic modified plant fiber cat litter.
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| CN113615584A (en) * | 2021-09-08 | 2021-11-09 | 吉林农业大学 | Cat litter made of rice hull plants and preparation method of cat litter |
| CN116636466A (en) * | 2023-06-30 | 2023-08-25 | 山东辛化硅胶有限公司 | Degradable plant fiber cat litter and preparation method thereof |
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