CN103711028A - Paper pulp composition and paper pulp molding product - Google Patents

Paper pulp composition and paper pulp molding product Download PDF

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Publication number
CN103711028A
CN103711028A CN201210374330.8A CN201210374330A CN103711028A CN 103711028 A CN103711028 A CN 103711028A CN 201210374330 A CN201210374330 A CN 201210374330A CN 103711028 A CN103711028 A CN 103711028A
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CN
China
Prior art keywords
pulp
paper pulp
alumina powder
weight portions
weight portion
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
CN201210374330.8A
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Chinese (zh)
Inventor
吴紫林
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Lin Pinqin
Original Assignee
Lin Pinqin
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Filing date
Publication date
Application filed by Lin Pinqin filed Critical Lin Pinqin
Priority to CN201210374330.8A priority Critical patent/CN103711028A/en
Publication of CN103711028A publication Critical patent/CN103711028A/en
Pending legal-status Critical Current

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Abstract

The invention provides a paper pulp composition and a paper pulp molding product, wherein the paper pulp composition contains paper pulp and alumina powder, and counted with solid matters, the content of the alumina powder is that 3-45 parts by weight of alumina powder is added into each 100 parts by weight of paper pulp. The paper pulp composition can be used for preparing the paper pulp molding product, and the prepared pulp molding product has advantages of excellent intensity, water resisting property and moisture resistance.

Description

Pulp composition and moulded paper pulp product
Technical field
The invention relates to a kind of pulp composition, especially about a kind of pulp composition that contains alumina powder and moulded paper pulp product.
Background technology
Day by day universal with person's environmental protection concept, the range of application of moulded paper pulp product is also increasingly extensive, can be applicable to the fields such as food, medicine, daily use chemicals, industrial products, the example of its concrete application comprises industrial packaging (as the Shockproof packaging of electrical home appliances, glass ceramics, gift etc.), pallet (as pallets such as egg, fruit), medical disposal type consumptive material (as chamber pot, toilet seat pad, surgical tray etc.), flowerpot, toy (as mask), food containers (as dixie cup), sheet material (as decorative wall panels) etc.Yet, the simple waterproof effect of the prepared moulded paper pulp product of string that uses is not good, be only applicable to dry condition of storage (as the Sheng of dry goods or food is carried, dry storage condition etc.), be unsuitable for containing carrying the product of moisture (oil) or only containing the short time and carry, and be not suitable for the storage in wet environment, this is the restriction in its application.
Summary of the invention
For overcoming the shortcoming of above-mentioned moulded paper pulp product, the invention provides a kind of pulp composition for the preparation of moulded paper pulp product, the moulded paper pulp product making thus has excellent in strength and waterproof anti humility performance.
An object of the present invention is to provide a kind of pulp composition, comprises: a paper pulp; And alumina powder, wherein, in solid content, the content of this alumina powder is this alumina powder that the paper pulp of every 100 weight portions adds 3 weight portion to 45 weight portions.
Another object of the present invention is to provide a kind of moulded paper pulp product, by above-mentioned pulp composition being inserted to heat pressing and molding mold and being carried out hot-pressing drying, make.
For above-mentioned purpose of the present invention, technical characterictic and advantage can be become apparent, below will be elaborated with part specific embodiment.
The specific embodiment
Below part specific embodiment of the present invention will be described particularly; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.In addition, unless Wen Zhongyou illustrate in addition, (especially in the claims) " one ", " being somebody's turn to do " and similar term of using is interpreted as comprising odd number and plural form in this manual.Unless and Wen Zhongyou illustrates in addition, while describing in this manual composition contained in pulp composition, be to calculate with the contained solid content of composition, that is, do not include the weight of solvent (as water) in.
The present inventor studies discovery, adds alumina powder in paper pulp, can promote intensity and waterproof anti humility performance by the prepared moulded paper pulp product of this paper pulp.Therefore, a feature of pulp composition of the present invention is, this pulp composition comprises alumina powder.
In specific words, pulp composition of the present invention comprises paper pulp and alumina powder, wherein, by at string surface attachment alumina powder, thereby improve the intensity by the prepared moulding article of this pulp composition, and pass through the coated of alumina powder, improve the waterproof anti humility performance of moulded paper pulp product.For obtaining higher alumina powder and the adhesive force of string, the alumina powder adding is preferably the aluminium oxide nano powder with nano-scale.
In pulp composition of the present invention, the addition of alumina powder there is no particular restriction.Generally speaking, the paper pulp of every 100 weight portions (in solid content) adds approximately 3 weight portions to approximately 45 weight portions, better approximately 8 weight portions can provide the improvement effect of desired intensity and waterproof moisture resistance to the alumina powder of approximately 20 weight portions.In part embodiment of the present invention, the addition of alumina powder is the alumina powder that the paper pulp (in solid content) of every 100 weight portions adds approximately 13 weight portions.In addition, be applicable to the paper pulp kind of pulp composition of the present invention also without particular restriction, can be any paper pulp that is obtained commercially or is allocated voluntarily by user.Common paper pulp example includes, but not limited to wood pulp, sugarcane slurry, cotton pulp, jute pulp, bamboo pulp, reed pulp, rice straw pulp or aforesaid any combination.
In pulp composition of the present invention, can further add adhesive agent and be attached on string with assisted oxidation aluminium powder, further improved effect is provided.This adhesive agent can be polyacrylamide, plant amylum or its combination.For example, the paper pulp of every 100 weight portions (in solid content), can add the polyacrylamide of approximately 0.5 weight portion to approximately 5 weight portions, better approximately 1.5 weight portions to approximately 3 weight portions; Under bound by theory not, polyacrylamide can strengthen the affinity between the contained string of paper pulp and alumina powder, improves the adhesive strength of alumina powder.Or the paper pulp of every 100 weight portions (in solid content), can add the plant amylum of approximately 1 weight portion to approximately 12 weight portions, better approximately 3 weight portions to approximately 6 weight portions; Under bound by theory not, string can form hydrogen bond with plant amylum, strengthens the adhesion of string, and then the adhering to of accelerating oxidation aluminium powder.In pulp composition of the present invention, also can other additions add adhesive agents, as long as can provide wish strengthen adhesion effect, with above-mentioned addition, be not limited.
Except adhesive agent, also can in pulp composition of the present invention, add polyethylene, under bound by theory not, polyethylene obtains well extending and therefore improving string intensity because its linear structure can make the string in composition, therefore can be used as the solid of string in paper pulp.Generally speaking, the paper pulp (in solid content) that poly addition can be every 100 weight portions adds approximately 1 weight portion to approximately 45 weight portions, and better interpolation approximately 5 weight portions are to approximately 20 weight portions, but not as limit.Certainly, in pulp composition of the present invention, also can add other existing additives, so that additional gain effect to be provided.For example, can in pulp composition, add the additive that is selected from following group: waterproofing agent, oil-proofing agent, water and oil repellent agent, interfacial agent and aforesaid any combination, wherein the instantiation of water and oil repellent agent as fluorine be that water and oil repellent agent, silicon are water and oil repellent agent or its combination.
The preparation method of pulp composition of the present invention there is no particular restriction, can adopt existing paper pulp dispensing mode to prepare.For example, can first paper pulp be placed in to starch dispensing machine and be modulated into desired concentration, subsequently optionally with fiberizer by modulated pulp mill to desired freedom, then inputted in paste mixer, and the additive that adds alumina powder and optionally add, make each composition evenly after mixing, obtain pulp composition of the present invention.
Pulp composition of the present invention can be applicable in paper mould technology, for preparing moulded paper pulp product.Therefore, the present invention separately provides a kind of moulded paper pulp product, by pulp composition of the present invention being inserted to heat pressing and molding mold, to carry out hot-pressing drying, makes.Described heat pressing and molding mold and hot-pressing drying step, can reach by any existing means, there is no particular restriction.For example, can in a formation mould that comprises net mould, inject pulp composition of the present invention, make pulp composition cover this net mould, carry out subsequently vacuum suction and remove moisture to form wet base, then the base that will wet moves to a thermocompression forming mould and carries out hot-pressing drying, to make paper pulp moulded articles.
Below enumerate specific embodiment and further illustrate the present invention, wherein, the measuring method adopting is as follows respectively.
[strength test]
Intensity with ASTM D642, ISO 12048 and CNS 2543/3511 standard method of test test moulded paper pulp product.
[waterproofing tests]
Moulded paper pulp product is impregnated in normal-temperature water, continues 60 minutes, detect subsequently the moisture content of moulded paper pulp product, the lower person's water proofing property of moisture content is more excellent.
[preparation of pulp composition]
< embodiment 1>
Ratio as shown in table 1, is placed in surge tank by paper pulp, alumina powder, waterproofing agent and oil-proofing agent and evenly mixes, and makes pulp composition 1.
< embodiment 2>
Ratio as shown in table 1, is placed in surge tank by paper pulp, alumina powder, polyacrylamide, plant amylum, polyethylene, waterproofing agent and oil-proofing agent and evenly mixes, and makes pulp composition 2.
< comparative example 1>
In the mode identical with embodiment 1, prepare comparison pulp composition 1, only do not use alumina powder, and the corresponding paper pulp component ratio of adjusting, as shown in table 1.
< comparative example 2>
In the mode identical with embodiment 2, prepare comparison pulp composition, only do not use alumina powder, and the corresponding paper pulp component ratio of adjusting, as shown in table 1.
Table 1
Composition (parts by weight) Embodiment 1 Embodiment 2 Comparative example 1 Comparative example 2
Paper pulp (in solid content) 100 100 100 100
Alumina powder 13 13 0 0
Polyacrylamide 0 2 0 2
Plant amylum 0 3.3 0 3.3
Polyethylene 0 7.8 0 7.8
Waterproofing agent 1.3 1.3 1.3 1.3
Oil-proofing agent 2.6 2.6 2.6 2.6
[preparation of moulded paper pulp product]
Use respectively the pulp composition 1 of embodiment 1 and 2 and the comparison pulp composition 1 of pulp composition 2 and comparative example 1 and 2 and compare pulp composition 2 and prepare moulded paper pulp product.In specific words, be that pulp composition is injected to a molding tool, and carry out vacuum suction and remove moisture to form wet base, wet base is placed between the patrix of shaper and counterdie and carries out hot pressing (temperature: 240 ℃; Pressure: 30 tonnes; Hot pressing time: 40 seconds), make moulded paper pulp product.Test intensity and the water proofing property of made moulded paper pulp product, and by outcome record in table 2.
Table 2
As shown in Table 2, be compared to the pulp composition of oxygen-freeization aluminium powder, pulp composition of the present invention, by the interpolation of alumina powder, can significantly improve intensity and the water resistance (moisture percentage is low) (with reference to embodiment 1 and comparative example 1) of the moulded paper pulp product making thus.In addition,, by the interpolation of solid, can further promote intensity and the water resistance of made moulded paper pulp product.Therefore, use the prepared strong pulp moulding article of pulp composition of the present invention can be applied to moisture, to contain wet goods product long-time Sheng and carry, and when using as general reservoir vessel, also can effectively resist wet environment, avoid content to make moist.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.

Claims (10)

1. a pulp composition, is characterized in that, comprises:
One paper pulp; And
Alumina powder,
Wherein, in solid content, the content of this alumina powder is this alumina powder that the paper pulp of every 100 weight portions adds 3 weight portion to 45 weight portions.
2. pulp composition according to claim 1, is characterized in that, this alumina powder is aluminium oxide nano powder.
3. pulp composition according to claim 1, is characterized in that, in solid content, the content of this alumina powder is this alumina powder that the paper pulp of every 100 weight portions adds 8 weight portion to 20 weight portions.
4. pulp composition according to claim 1, is characterized in that, also comprises polyacrylamide, and in solid content, its content is this polyacrylamide that the paper pulp of every 100 weight portions adds 0.5 weight portion to 5 weight portion.
5. pulp composition according to claim 1, is characterized in that, also comprises plants starch, and in solid content, its content is this plants starch that the paper pulp of every 100 weight portions adds 1 weight portion to 12 weight portion.
6. pulp composition according to claim 1, is characterized in that, also comprises polyethylene, and in solid content, its content is this polyethylene that the paper pulp of every 100 weight portions adds 1 weight portion to 45 weight portion.
7. according to the pulp composition described in any one in claim 1 to 6, it is characterized in that, also comprise the additive that is selected from following group: any combination of waterproofing agent, oil-proofing agent, water and oil repellent agent, interfacial agent and aforementioned additive.
8. pulp composition according to claim 7, is characterized in that, this water and oil repellent agent is that fluorine is that water and oil repellent agent, silicon are water and oil repellent agent or its combination.
9. according to the pulp composition described in any one in claim 1 to 6, it is characterized in that, this paper pulp is selected from following group: wood pulp, sugarcane slurry, cotton pulp, jute pulp, bamboo pulp, reed pulp, rice straw pulp and aforesaid any combination.
10. a moulded paper pulp product, is characterized in that, inserts heat pressing and molding mold make to carry out hot-pressing drying by the pulp composition described in any one in claim 1 to 9.
CN201210374330.8A 2012-09-29 2012-09-29 Paper pulp composition and paper pulp molding product Pending CN103711028A (en)

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CN201210374330.8A CN103711028A (en) 2012-09-29 2012-09-29 Paper pulp composition and paper pulp molding product
TW102120875A TW201425688A (en) 2012-09-29 2013-06-13 Pulp compositions and uses of the same

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106065548A (en) * 2016-07-20 2016-11-02 宁夏牵手缘纸业有限公司 A kind of processing condition and method of paper pulp mold
CN107190561A (en) * 2017-07-26 2017-09-22 深圳市天橙宝投资发展有限公司 Pulp composition and pulp composition product
CN109487635A (en) * 2018-11-23 2019-03-19 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of composite paper-plastic material and products thereof and application
CN109715507A (en) * 2016-07-26 2019-05-03 足迹国际有限责任公司 Method and apparatus for manufacturing fibre-based food container
WO2019131048A1 (en) * 2017-12-28 2019-07-04 ダイキン工業株式会社 Pulp molded product and method for manufacturing same
CN111074660A (en) * 2019-12-31 2020-04-28 二十五度加(广州)科技发展有限公司 Degradable sugarcane pulp tableware and preparation method thereof

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CN1429299A (en) * 2000-05-17 2003-07-09 巴科曼实验室国际公司 Papermaking pulp and flocculant comprising acidic aqueous alumina sol
CN101155961A (en) * 2005-02-11 2008-04-02 赫尔克里士公司 An additive system for use in paper making and process of using the same
CN102605681A (en) * 2012-01-06 2012-07-25 刘国来 Novel material for electrical appliance mounting box and production method and application of novel material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1429299A (en) * 2000-05-17 2003-07-09 巴科曼实验室国际公司 Papermaking pulp and flocculant comprising acidic aqueous alumina sol
CN101155961A (en) * 2005-02-11 2008-04-02 赫尔克里士公司 An additive system for use in paper making and process of using the same
CN102605681A (en) * 2012-01-06 2012-07-25 刘国来 Novel material for electrical appliance mounting box and production method and application of novel material

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106065548A (en) * 2016-07-20 2016-11-02 宁夏牵手缘纸业有限公司 A kind of processing condition and method of paper pulp mold
CN109715507A (en) * 2016-07-26 2019-05-03 足迹国际有限责任公司 Method and apparatus for manufacturing fibre-based food container
CN107190561A (en) * 2017-07-26 2017-09-22 深圳市天橙宝投资发展有限公司 Pulp composition and pulp composition product
WO2019131048A1 (en) * 2017-12-28 2019-07-04 ダイキン工業株式会社 Pulp molded product and method for manufacturing same
JP2019119938A (en) * 2017-12-28 2019-07-22 ダイキン工業株式会社 Pulp mold product and method for manufacturing the same
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
EP3733967A4 (en) * 2017-12-28 2021-11-17 Daikin Industries, Ltd. Pulp molded product and method for manufacturing same
US11434606B2 (en) 2017-12-28 2022-09-06 Daiken Industries, Ltd. Pulp molded product and method for manufacturing same
CN109487635A (en) * 2018-11-23 2019-03-19 上海纳米技术及应用国家工程研究中心有限公司 Preparation method of composite paper-plastic material and products thereof and application
CN111074660A (en) * 2019-12-31 2020-04-28 二十五度加(广州)科技发展有限公司 Degradable sugarcane pulp tableware and preparation method thereof

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Application publication date: 20140409