CN113502003A - Pulp paste for hand molding and hand molding method - Google Patents

Pulp paste for hand molding and hand molding method Download PDF

Info

Publication number
CN113502003A
CN113502003A CN202110676462.5A CN202110676462A CN113502003A CN 113502003 A CN113502003 A CN 113502003A CN 202110676462 A CN202110676462 A CN 202110676462A CN 113502003 A CN113502003 A CN 113502003A
Authority
CN
China
Prior art keywords
paper pulp
mud
edible oil
pulp
hand
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.)
Pending
Application number
CN202110676462.5A
Other languages
Chinese (zh)
Inventor
王雁
张月
张珂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
South China University of Technology SCUT
Original Assignee
South China University of Technology SCUT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN202110676462.5A priority Critical patent/CN113502003A/en
Publication of CN113502003A publication Critical patent/CN113502003A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/02—Cellulose; Modified cellulose
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3045—Sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)

Abstract

The invention relates to paper pulp mud for manual molding, which is prepared from the following components, by weight, 40% -45% of paper pulp, 18% -24% of corn starch, 20% -24% of manual paste, 12% -16% of cooked gypsum powder and 2.2% -3.2% of edible oil. After the cooked gypsum powder is added, the hardness and plasticity of the paper pulp mud are improved, and the paper pulp mud is not easy to break even if collision occurs; after a proper amount of edible oil is added, on one hand, the paper pulp mud is not sticky, and on the other hand, the paper pulp mud is used as a manual molding material and has the advantage of easy demoulding.

Description

Pulp paste for hand molding and hand molding method
Technical Field
The invention relates to the technical field of manual molding, in particular to pulp mud for manual molding and a manual molding method.
Background
The pulp molding mainly uses hand-made pulp mud as a raw material, and the hand-made pulp mud is put into a mold for manual film pressing to obtain a finished product of the pulp mud.
The existing hand-made paper pulp mud components usually comprise foam powder, water, paper pulp, paste, colloid, fiber (and feldspar) and the like, and are mostly used for kneading materials of people. It has the following technical problems:
the pulp mud is too soft, and a finished product of the pulp mud after molding is not firm enough and has larger difference with the shape of a mold; the paper pulp mud sticks to hands, is not easy to demould after film pressing, often causes the problem that the paper pulp mud sticks to the wall of the mould, influences the effect of a finished product, and can not meet the moulding requirement of a manual mould.
Disclosure of Invention
Aiming at the technical problems in the prior art, one of the purposes of the invention is as follows: the pulp mud for manual molding has higher hardness, and the product molded by the pulp mud has the advantages of full molding effect, firm appearance, higher shape reduction degree, lower viscosity, easy demolding and capability of meeting the molding requirement of a manual mold.
Aiming at the technical problems in the prior art, the second purpose of the invention is as follows: provides a manual molding method, improves the hardness of the product, and has full molding effect and high shape reduction degree.
In order to achieve the purpose, the invention adopts the following technical scheme:
the pulp mud for hand molding is prepared with pulp 40-45 wt%, corn starch 18-24 wt%, hand paste 20-24 wt%, cooked gypsum powder 12-16 wt% and edible oil 2.2-3.2 wt%.
Preferably, the food is prepared from 41.2% of paper pulp, 21% of corn starch, 21% of handmade paste, 14% of cooked gypsum powder and 2.8% of edible oil in percentage by weight.
A hand molding process comprising the steps of:
s1, mixing the paper pulp, the corn starch, the handmade paste and the cooked gypsum powder and then fully stirring;
s2, adding edible oil and continuing stirring when the pulp mud is primarily formed;
s3, taking a proper amount of paper pulp mud, kneading the paper pulp mud into a dough, coating edible oil on the surface of the dough, and putting the dough into a mould to be pressed and molded manually;
s4, opening the mould, taking out the paper pulp mud moulded finished product, naturally drying the paper pulp mud moulded finished product, uniformly coating a proper amount of water-based paint on the surface of the finished product, and standing for 5-10 minutes.
Further, the preparation of the paper pulp comprises the steps of respectively putting shredded paper and water into a stirrer, wherein the water at least submerges the shredded paper in the stirrer; starting the stirrer to stir, pouring formed paper pulp into the screen pot after stirring, and then pressing the paper pulp by hand to dewater, so that water in the paper pulp flows out of the screen pot and is drained away.
Further, the dewatering amount discharged from the wire leaking basin is 80-85% of the water content of the paper pulp.
Preferably, in S4, the paper pulp mud molded product is air-dried naturally for more than 48 hours at 20-30 ℃ and normal temperature.
In summary, the present invention has the following advantages:
the paper pulp mud has the advantages of strong flexibility, good plasticity, no hand sticking and the like. The corn starch and the paste with the contents increase the viscosity of the paper pulp mud, the hardness and the plasticity of the paper pulp mud are improved after the delicatessen gypsum powder is added, and the paper pulp mud is not easy to break even if collision occurs; after a proper amount of edible oil is added, on one hand, the hand-free plastic has the advantage of easy demoulding when being used as a hand molding material. And finally, the finished molded paper pulp mud product is naturally air-dried and then coated with water-based paint, so that the waterproof and moistureproof effects are achieved, and the stability of the finished paper pulp mud molded product is enhanced.
The materials can be obtained in daily life, are non-toxic and harmless, have extremely low harm, are very suitable for being applied to the manual originality of children, and children can mold novel works by combining the paper pulp mud with the paper pulp mold, so that the practical ability and the three-dimensional space imagination of the children are exercised, and the cognition of the children on the paper pulp materials is also improved.
Drawings
Fig. 1 and 2 show a molded product of the pulp slurry without addition of the deli gypsum powder.
Fig. 3 and 4 show the molded product of the pulp slurry with the addition of the boiled gypsum powder.
Fig. 5 and 6 show the molded product of the paper pulp paste without the edible oil.
Fig. 7 and 8 show the molded product of the pulp paste with edible oil.
Detailed Description
The present invention will be described in further detail below.
Example 1
A pulp paste for manual molding is prepared from (by weight) 44% pulp, 18% corn starch, 21.4% handmade paste, 14% cooked gypsum powder and 2.6% edible oil.
The preparation method comprises the following steps:
(1) pulp manufacturing: shredding waste paper (including printing paper, newspaper, handsheet, rice paper, etc.) in a container, and pouring water into the container, wherein the water is used for at least covering the shredded paper in the container; pouring all the materials in the container into the stirrer, and pouring the materials into the perforated basin after stirring; and finally, pressing the paper pulp by hand to enable water in the paper pulp to flow out of the leaking net basin, wherein the approximate dehydration amount is 80-85%.
(2) Mixing and stirring materials: mixing paper pulp, corn starch and manual paste in proportion and then fully stirring, so that paper fiber, starch and paste can be more compact, and a fiber web can be firmer; adding the cooked gypsum powder, and stirring to enhance the plasticity of the paper pulp mud; adding edible oil when the paper pulp mud is primarily formed, and then stirring.
(3) Manual molding: coating a small amount of edible oil on the surface of the paper pulp mud, then putting the paper pulp mud into a mold, manually pressing the film, opening the mold, and taking out the paper pulp mud finished product.
(4) And (3) finished product: and naturally drying the paper pulp mud finished product, uniformly coating a proper amount of water-based paint on the surface of the finished product, and standing for about 5 minutes.
Manually molding the paper pulp mud material to obtain a block with the diameter of about 3cm, drying the block for 48 hours at the normal temperature of 20-30 ℃ by natural air, smearing water-based paint on the surface, and standing for about 5 minutes. The final molded product has a little gap, the material is compact and light, and the material is not easy to break and damp.
Example 2
A pulp paste for manual molding is prepared from 41% of pulp, 20.6% of corn starch, 21.2% of handmade paste, 14% of cooked gypsum powder and 3.2% of edible oil in percentage by weight.
The preparation method is the same as that of example 1.
Manually molding the paper pulp mud material to obtain a block with the diameter of about 3cm, drying the block for 48 hours at the normal temperature of 20-30 ℃ by natural air, smearing water-based paint on the surface, and standing for about 5 minutes. The final molded product has very smooth appearance, high demolding speed, fine surface, light weight, less cracking and less damp.
Example 3
A pulp paste for manual molding is prepared from 41% of pulp, 18.8% of corn starch, 22% of handmade paste, 16% of cooked gypsum powder and 2.2% of edible oil in percentage by weight.
The preparation method is the same as that of example 1.
Manually molding the paper pulp mud material to obtain a block with the diameter of about 3cm, drying the block for 48 hours at the normal temperature of 20-30 ℃ by natural air, smearing water-based paint on the surface, and standing for about 5 minutes. The final molded product has the advantages of plump appearance, high molding reduction degree, small gap, strong toughness, clear surface texture, light weight, difficult cracking and difficult damping.
As shown in fig. 1 and 2, the pulp mud finished product without the addition of the cooked gypsum powder: the molded product is obviously softer and more collapsed, and the molding effect is poorer.
As shown in fig. 3 and 4, the pulp paste product after adding the cooked gypsum powder: the shaping effect is full, the appearance is firm, and the shape reduction degree is higher.
As shown in fig. 5 and 6, the pulp paste finished product without edible oil is: the surface of the molded product is obviously uneven and has a plurality of defects.
As shown in fig. 7 and 8, the pulp paste product after the edible oil is added: the shaping effect is full, the shape reduction degree is high, and the surface is smooth and fine.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.

Claims (6)

1. A pulp slurry for hand molding characterized by: the edible oil is prepared from 40-45% of paper pulp, 18-24% of corn starch, 20-24% of handmade paste, 12-16% of cooked gypsum powder and 2.2-3.2% of edible oil.
2. A pulp slurry for hand molding according to claim 1, wherein: the edible oil is prepared from 41.2% of paper pulp, 21% of corn starch, 21% of handmade paste, 14% of cooked gypsum powder and 2.8% of edible oil in percentage by weight.
3. A hand molding process characterized by: the method comprises the following steps:
s1, mixing the paper pulp, the corn starch, the handmade paste and the cooked gypsum powder and then fully stirring;
s2, adding edible oil and continuing stirring when the pulp mud is primarily formed;
s3, taking a proper amount of paper pulp mud, kneading the paper pulp mud into a dough, coating edible oil on the surface of the dough, and putting the dough into a mould to be pressed and molded manually;
s4, opening the mould, taking out the paper pulp mud moulded finished product, naturally drying the paper pulp mud moulded finished product, uniformly coating a proper amount of water-based paint on the surface of the finished product, and standing for 5-10 minutes.
4. A hand molding process according to claim 3 wherein: the preparation of the paper pulp comprises the following steps of respectively putting shredded paper and water into a stirrer, wherein the water at least submerges the shredded paper in the stirrer; starting the stirrer to stir, pouring formed paper pulp into the screen pot after stirring, and then pressing the paper pulp by hand to dewater, so that water in the paper pulp flows out of the screen pot and is drained away.
5. A hand moulding process according to claim 4, characterised in that: the dewatering amount discharged from the net leaking basin is 80-85% of the water content of the paper pulp.
6. A hand molding process according to claim 3 wherein: and S4, naturally drying the paper pulp mud molded finished product in air at the normal temperature of 20-30 ℃ for more than 48 hours.
CN202110676462.5A 2021-06-18 2021-06-18 Pulp paste for hand molding and hand molding method Pending CN113502003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110676462.5A CN113502003A (en) 2021-06-18 2021-06-18 Pulp paste for hand molding and hand molding method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110676462.5A CN113502003A (en) 2021-06-18 2021-06-18 Pulp paste for hand molding and hand molding method

Publications (1)

Publication Number Publication Date
CN113502003A true CN113502003A (en) 2021-10-15

Family

ID=78010391

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110676462.5A Pending CN113502003A (en) 2021-06-18 2021-06-18 Pulp paste for hand molding and hand molding method

Country Status (1)

Country Link
CN (1) CN113502003A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870538A (en) * 1973-05-07 1975-03-11 Nat Gypsum Co Gypsum set accelerator
US5736209A (en) * 1993-11-19 1998-04-07 E. Kashoggi, Industries, Llc Compositions having a high ungelatinized starch content and sheets molded therefrom
US6083586A (en) * 1993-11-19 2000-07-04 E. Khashoggi Industries, Llc Sheets having a starch-based binding matrix
US20030168768A1 (en) * 2002-03-06 2003-09-11 Weng Hung-Chang Method for producing environment-protective paper based plastic material
TW200531953A (en) * 2004-03-29 2005-10-01 Shian-Chin Chiou Paper clay with environmental protection and high plasticity
JP2010269565A (en) * 2009-05-25 2010-12-02 Univ Of Tokyo Mold for forming pulp molded article and method of forming pulp molded article
CN102039627A (en) * 2009-10-21 2011-05-04 连良顺 Manufacture method of hollow gypsum handcraft
CN102311652A (en) * 2011-04-27 2012-01-11 刘立文 Degradable food packaging material and preparation method thereof
CN102431371A (en) * 2011-09-21 2012-05-02 刘小云 Environment friendly paper pulp and paper pulp hardware process product and preparation method thereof
CN103088718A (en) * 2011-10-28 2013-05-08 伍强 Novel production method of molded pulp for sculpture crafts
CN104386336A (en) * 2014-11-19 2015-03-04 东莞市汇林包装有限公司 Paper pulp molded composite and paper pulp molded flat tray structure
US20160362842A1 (en) * 2013-07-16 2016-12-15 Kamchuen Au Waterproof recycled paper and production method thereof
CN109797604A (en) * 2019-02-18 2019-05-24 杭州西红柿环保科技有限公司 A kind of environment-friendly paper pulp mould-forming method and product
CN111511989A (en) * 2017-12-28 2020-08-07 大金工业株式会社 Molded pulp product and method for producing the same

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870538A (en) * 1973-05-07 1975-03-11 Nat Gypsum Co Gypsum set accelerator
US5736209A (en) * 1993-11-19 1998-04-07 E. Kashoggi, Industries, Llc Compositions having a high ungelatinized starch content and sheets molded therefrom
US6083586A (en) * 1993-11-19 2000-07-04 E. Khashoggi Industries, Llc Sheets having a starch-based binding matrix
US20030168768A1 (en) * 2002-03-06 2003-09-11 Weng Hung-Chang Method for producing environment-protective paper based plastic material
TW200531953A (en) * 2004-03-29 2005-10-01 Shian-Chin Chiou Paper clay with environmental protection and high plasticity
JP2010269565A (en) * 2009-05-25 2010-12-02 Univ Of Tokyo Mold for forming pulp molded article and method of forming pulp molded article
CN102039627A (en) * 2009-10-21 2011-05-04 连良顺 Manufacture method of hollow gypsum handcraft
CN102311652A (en) * 2011-04-27 2012-01-11 刘立文 Degradable food packaging material and preparation method thereof
CN102431371A (en) * 2011-09-21 2012-05-02 刘小云 Environment friendly paper pulp and paper pulp hardware process product and preparation method thereof
CN103088718A (en) * 2011-10-28 2013-05-08 伍强 Novel production method of molded pulp for sculpture crafts
US20160362842A1 (en) * 2013-07-16 2016-12-15 Kamchuen Au Waterproof recycled paper and production method thereof
CN104386336A (en) * 2014-11-19 2015-03-04 东莞市汇林包装有限公司 Paper pulp molded composite and paper pulp molded flat tray structure
CN111511989A (en) * 2017-12-28 2020-08-07 大金工业株式会社 Molded pulp product and method for producing the same
CN109797604A (en) * 2019-02-18 2019-05-24 杭州西红柿环保科技有限公司 A kind of environment-friendly paper pulp mould-forming method and product

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
孙炼 等主编: "《厨师》", 30 September 2001, 武汉大学出版社 *
张珂: "纸浆造型艺术初探", 《美术研究》 *
甘智荣 主编: "《老师傅最拿手的家常菜》", 30 April 2015, 黑龙江科学技术出版社 *
陕西省建筑设计研究院 编: "《建筑材料手册》", 30 April 1997, 中国建筑工业出版社 *

Similar Documents

Publication Publication Date Title
KR102072498B1 (en) Gypsum Paste for Crafts, Method for Production Thereof
CN113502003A (en) Pulp paste for hand molding and hand molding method
CN1077776C (en) Method for preparing instant shahe pasta
CN1181892A (en) Once-used edible tableware
JPH0553462B2 (en)
CN1110514A (en) Plant albument meat with coarse fibre structure and its production method
CN109484076A (en) Paper mud capable of being directly shaped, preparation method thereof and preparation method of paper base lacquer
CN110106630A (en) A kind of paper, cardboard and carton and its preparation process and system
CN102039627B (en) Manufacture method of hollow gypsum handcraft
KR0180983B1 (en) Method for manufacturing a non-polluted disposable product
CN107840992A (en) A kind of starch base edible film of collagenous fibres enhancing and preparation method thereof
CN1090468C (en) Technology for producing disposable lunch box by using plant straw
CA2388968A1 (en) Method for making pasta products
JP3842831B2 (en) Manufacturing method of salt molded products
CN2257138Y (en) Edible snack bowl
CN1253121C (en) Disposable gymsum tableware
KR100540682B1 (en) Method for preparing biodegradable disposable container
CN104327528A (en) Degradable perlite tableware and preparation method thereof
CN101502221A (en) Paper pulp basin and method for producing the same
JP3000785B2 (en) Method for producing a textured protein food
CN1174687C (en) Konjaku food producing process
CN1602731A (en) Soybean protein sandwich vermicelli
KR100208771B1 (en) Preparation of green colored porcelain
CN115323832A (en) Method and apparatus for producing multi-layer pulp molded product and method of using the same
KR200338899Y1 (en) biodegradable disposable container

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20211015