CN107419619A - The strong sandwich sheet of Resisting fractre ability and preparation method - Google Patents
The strong sandwich sheet of Resisting fractre ability and preparation method Download PDFInfo
- Publication number
- CN107419619A CN107419619A CN201710688234.3A CN201710688234A CN107419619A CN 107419619 A CN107419619 A CN 107419619A CN 201710688234 A CN201710688234 A CN 201710688234A CN 107419619 A CN107419619 A CN 107419619A
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- Prior art keywords
- luffa
- film
- sandwich sheet
- uniform
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
- D21J3/12—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of sheets; of diaphragms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/10—Properties of the layers or laminate having particular acoustical properties
- B32B2307/102—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a kind of strong sandwich sheet of Resisting fractre ability and preparation method, said composition includes the raw material by following parts by weight：Thermoplastic starch 30 40, luffa 90 120, the sulfuric acid 10 20 of concentration 60%, nano silicon 37, silane coupler 39, water soluble phenol resin 20 30, polyurethane foam glue 20 30, nanometer foam alumina powder 30 40, calcium carbonate 35, sodium sulphate 24, glass fibre 10 16, appropriate amount of deionized water.The present invention takes full advantage of the property of luffa different parts fiber, by being prepared for the sandwich sheet of common carrier with reference to different material, adds the degrees of fusion between each layer, and technique is simple, easy to make, and it is strong to save material, Resisting fractre ability.
Description
Technical field
Sandwich sheet field of the present invention, concretely relate to a kind of luffa sandwich sheet and preparation method.
Background technology
Sandwich material because with density is small, be can buffer capacity it is strong, sound absorption qualities are good, specific strength is high, specific stiffness is high, good
Damping property etc. the characteristics of, it is standing to be used as many fields such as Aero-Space, automobile making, engineering damping, traditional sandwich material
Generally it is made up of panel material and core, needs as requested Selection Floater material and core material with caution when making and using
Material, reaches good cooperation.
Natural compound porous structure is presented in loofah fiber, single fiber (length about 30mm, diameter 0.3-0.5mm)
Young's modulus and fracture strength are suitable with wood fibre, are 2.3GPa and 103MPa respectively, have it is demonstrated experimentally that luffa external source is all
The average mechanical property of wall site is approximately its core 1.6.
The content of the invention
For the demand of sandwich material development, the present invention provides a kind of luffa sandwich sheet and preparation method.
To reach above-mentioned purpose, the technical solution used in the present invention is：
A kind of luffa sandwich sheet, said composition include the raw material by following parts by weight：Thermoplastic starch 30-40, luffa
90-120, the sulfuric acid 10-20 of concentration 60%, nano silicon 3-7, silane coupler 3-9, water soluble phenol resin 20-30,
Polyurethane foam glue 20-30, nanometer foam alumina powder 30-40, calcium carbonate 3-5, sodium sulphate 2-4, glass fibre 10-16,
Appropriate amount of deionized water.
A kind of preparation method of luffa sandwich sheet, comprises the following steps：
(1), take luffa to use cutting process, obtain external source perisporium luffa and inner core luffa, external source perisporium luffa weight
Amount is 2 times of inner core luffa weight；The sulfuric acid of external source perisporium luffa, 2/3rds concentration 60% is mixed, using high pressure
It is standby that homogenizer homogeneous stirring 2-4h at 60-70 DEG C must hydrolyze luffa uniform liquid one；By inner core luffa, 1/3rd dense
The sulfuric acid mixing of degree 60%, using high pressure homogenizer, must to hydrolyze luffa uniform liquid two standby by homogeneous stirring 1-2h at 60-70 DEG C
With；
(2) by hydrolyze luffa uniform liquid one, water soluble phenol resin, polyurethane foam glue, thermoplastic starch, half silane
Coupling agent mixes, and adds the deionized water of 3-7 times of gross weight, and heating, which is held a memorial ceremony for, under 600W microwave stirs 3-5h, obtains uniformly multiple
It is standby to close liquid one；
(3) will hydrolysis luffa uniform liquid two, nano silicon, nanometer foam alumina powder, glass fibre, calcium carbonate,
The silane coupler mixing of sodium sulphate, half, and the deionized water of 2-4 times of gross weight is added, heat and hold a memorial ceremony under 600W microwave
3-5h is stirred, it is standby to obtain uniform complex liquid two；
(4) uniform complex liquid one is rolled into film forming one, film three by the way of film forming is rolled；Will be equal by the way of film forming is rolled
Even complex liquid two rolls film forming two, and the film one, film two, film threeway are crossed heat bonding and bonded successively, and calendering, which cools down, afterwards produces.
Beneficial effects of the present invention：
The present invention takes full advantage of the property of luffa different parts fiber, by being prepared for common carrier with reference to different material
Sandwich sheet, the degrees of fusion between each layer is added, technique is simple, easy to make, and it is strong to save material, Resisting fractre ability.
Embodiment
Technical scheme of the present invention is further described with reference to specific embodiment.
Embodiment 1：A kind of luffa sandwich sheet, said composition include the raw material by following parts by weight：Thermoplastic starch
40th, luffa 90, the sulfuric acid 10 of concentration 60%, nano silicon 3, silane coupler 3, water soluble phenol resin 30, poly- ammonia
Ester foaming glue 30, nanometer foam alumina powder 30, calcium carbonate 3, sodium sulphate 2, glass fibre 10, appropriate amount of deionized water.
A kind of preparation method of luffa sandwich sheet, comprises the following steps：
(1), take luffa to use cutting process, obtain external source perisporium luffa and inner core luffa, external source perisporium luffa weight
Amount is 2 times of inner core luffa weight；The sulfuric acid of external source perisporium luffa, 2/3rds concentration 60% is mixed, using high pressure
It is standby that homogenizer homogeneous stirring 4h at 60 DEG C must hydrolyze luffa uniform liquid one；By inner core luffa, 1/3rd concentration
60% sulfuric acid mixing, using high pressure homogenizer, must to hydrolyze luffa uniform liquid two standby by homogeneous stirring 2h at 60 DEG C；(2) will
Hydrolysis luffa uniform liquid one, water soluble phenol resin, polyurethane foam glue, thermoplastic starch, the silane coupler of half mix
Close, and add the deionized water of 3 times of gross weight, heating, which is held a memorial ceremony for, under 600W microwave stirs 4h, and it is standby to obtain uniform complex liquid one；
(3) will hydrolysis luffa uniform liquid two, nano silicon, nanometer foam alumina powder, glass fibre, calcium carbonate,
The silane coupler mixing of sodium sulphate, half, and the deionized water of 3 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs
4h is mixed, it is standby to obtain uniform complex liquid two；
(4) uniform complex liquid one is rolled into film forming one, film three by the way of film forming is rolled；Will be equal by the way of film forming is rolled
Even complex liquid two rolls film forming two, and the film one, film two, film threeway are crossed heat bonding and bonded successively, and calendering, which cools down, afterwards produces.
Embodiment 2：A kind of luffa sandwich sheet, said composition include the raw material by following parts by weight：Thermoplastic starch
35th, luffa 105, the sulfuric acid 15 of concentration 60%, nano silicon 5, silane coupler 6, water soluble phenol resin 25, poly- ammonia
Ester foaming glue 25, nanometer foam alumina powder 35, calcium carbonate 4, sodium sulphate 3, glass fibre 13, appropriate amount of deionized water.
A kind of preparation method of luffa sandwich sheet, comprises the following steps：
(1), take luffa to use cutting process, obtain external source perisporium luffa and inner core luffa, external source perisporium luffa weight
Amount is 2 times of inner core luffa weight；The sulfuric acid of external source perisporium luffa, 2/3rds concentration 60% is mixed, using high pressure
It is standby that homogenizer homogeneous stirring 3h at 65 DEG C must hydrolyze luffa uniform liquid one；By inner core luffa, 1/3rd concentration
60% sulfuric acid mixing, using high pressure homogenizer, must to hydrolyze luffa uniform liquid two standby by homogeneous stirring 1.5h at 65 DEG C；(2)
By hydrolyze luffa uniform liquid one, water soluble phenol resin, polyurethane foam glue, thermoplastic starch, half silane coupler
Mixing, and the deionized water of 5 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs 4h, and it is standby to obtain uniform complex liquid one；
(3) will hydrolysis luffa uniform liquid two, nano silicon, nanometer foam alumina powder, glass fibre, calcium carbonate,
The silane coupler mixing of sodium sulphate, half, and the deionized water of 3 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs
4h is mixed, it is standby to obtain uniform complex liquid two；
(4) uniform complex liquid one is rolled into film forming one, film three by the way of film forming is rolled；Will be equal by the way of film forming is rolled
Even complex liquid two rolls film forming two, and the film one, film two, film threeway are crossed heat bonding and bonded successively, and calendering, which cools down, afterwards produces.
Embodiment 3：A kind of luffa sandwich sheet, said composition include the raw material by following parts by weight：Thermoplastic starch
30th, luffa 120, the sulfuric acid 20 of concentration 60%, nano silicon 7, silane coupler 9, water soluble phenol resin 20, poly- ammonia
Ester foaming glue 20, nanometer foam alumina powder 40, calcium carbonate 5, sodium sulphate 4, glass fibre 16, appropriate amount of deionized water.
A kind of preparation method of luffa sandwich sheet, comprises the following steps：
(1), take luffa to use cutting process, obtain external source perisporium luffa and inner core luffa, external source perisporium luffa weight
Amount is 2 times of inner core luffa weight；The sulfuric acid of external source perisporium luffa, 2/3rds concentration 60% is mixed, using high pressure
It is standby that homogenizer homogeneous stirring 2h at 70 DEG C must hydrolyze luffa uniform liquid one；By inner core luffa, 1/3rd concentration
60% sulfuric acid mixing, using high pressure homogenizer, must to hydrolyze luffa uniform liquid two standby by homogeneous stirring 1h at 70 DEG C；
(2) by hydrolyze luffa uniform liquid one, water soluble phenol resin, polyurethane foam glue, thermoplastic starch, half silane
Coupling agent mixes, and adds the deionized water of 7 times of gross weight, and heating, which is held a memorial ceremony for, under 600W microwave stirs 5h, obtains uniform complex liquid
One is standby；
(3) will hydrolysis luffa uniform liquid two, nano silicon, nanometer foam alumina powder, glass fibre, calcium carbonate,
The silane coupler mixing of sodium sulphate, half, and the deionized water of 3 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs
4h is mixed, it is standby to obtain uniform complex liquid two；
(4) uniform complex liquid one is rolled into film forming one, film three by the way of film forming is rolled；Will be equal by the way of film forming is rolled
Even complex liquid two rolls film forming two, and the film one, film two, film threeway are crossed heat bonding and bonded successively, and calendering, which cools down, afterwards produces.
Luffa sandwich sheet Specifeca tion speeification test result is as shown in table 1 made from above-described embodiment 1-3.
The Specifeca tion speeification of luffa sandwich sheet made from the embodiment 1-3 of table 1
As seen from the above table, luffa sandwich sheet of the invention has good sound-absorbing effect and good resistance to fracture, with
The increase of luffa and nanometer foam alumina powder addition, sound-absorbing efficiency and resistance to fracture increase.
Claims (1)
1. a kind of preparation method of luffa sandwich sheet, it is characterised in that the sandwich sheet includes the raw material of following parts by weight：
Thermoplastic starch 35, luffa 105, the sulfuric acid 15 of concentration 60%, nano silicon 5, silane coupler 6, water soluble phenolic
Resin 25, polyurethane foam glue 25, nanometer foam alumina powder 35, calcium carbonate 4, sodium sulphate 3, glass fibre 13, go in right amount
Ionized water；
The preparation method of the luffa sandwich sheet, comprises the following steps：
(1), take luffa to use cutting process, obtain external source perisporium luffa and inner core luffa, external source perisporium luffa weight
Amount is 2 times of inner core luffa weight；The sulfuric acid of external source perisporium luffa, 2/3rds concentration 60% is mixed, using high pressure
It is standby that homogenizer homogeneous stirring 3h at 65 DEG C must hydrolyze luffa uniform liquid one；By inner core luffa, 1/3rd concentration
60% sulfuric acid mixing, using high pressure homogenizer, must to hydrolyze luffa uniform liquid two standby by homogeneous stirring 1.5h at 65 DEG C；(2)
By hydrolyze luffa uniform liquid one, water soluble phenol resin, polyurethane foam glue, thermoplastic starch, half silane coupler
Mixing, and the deionized water of 5 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs 4h, and it is standby to obtain uniform complex liquid one；
(3) will hydrolysis luffa uniform liquid two, nano silicon, nanometer foam alumina powder, glass fibre, calcium carbonate,
The silane coupler mixing of sodium sulphate, half, and the deionized water of 3 times of gross weight is added, heating, which is held a memorial ceremony for, under 600W microwave stirs
4h is mixed, it is standby to obtain uniform complex liquid two；
(4) uniform complex liquid one is rolled into film forming one, film three by the way of film forming is rolled；Will be equal by the way of film forming is rolled
Even complex liquid two rolls film forming two, and the film one, film two, film threeway are crossed heat bonding and bonded successively, and calendering, which cools down, afterwards produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688234.3A CN107419619A (en) | 2015-09-01 | 2015-09-01 | The strong sandwich sheet of Resisting fractre ability and preparation method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710688234.3A CN107419619A (en) | 2015-09-01 | 2015-09-01 | The strong sandwich sheet of Resisting fractre ability and preparation method |
| CN201510556610.4A CN105176122B (en) | 2015-09-01 | 2015-09-01 | A kind of luffa receives sandwich sheet and preparation method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510556610.4A Division CN105176122B (en) | 2015-09-01 | 2015-09-01 | A kind of luffa receives sandwich sheet and preparation method |
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| Publication Number | Publication Date |
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| CN107419619A true CN107419619A (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710688234.3A Pending CN107419619A (en) | 2015-09-01 | 2015-09-01 | The strong sandwich sheet of Resisting fractre ability and preparation method |
| CN201510556610.4A Active CN105176122B (en) | 2015-09-01 | 2015-09-01 | A kind of luffa receives sandwich sheet and preparation method |
| CN201710688236.2A Active CN107471773B (en) | 2015-09-01 | 2015-09-01 | A kind of sandwich sheet and preparation method |
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| CN201510556610.4A Active CN105176122B (en) | 2015-09-01 | 2015-09-01 | A kind of luffa receives sandwich sheet and preparation method |
| CN201710688236.2A Active CN107471773B (en) | 2015-09-01 | 2015-09-01 | A kind of sandwich sheet and preparation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425292A (en) * | 2018-04-24 | 2018-08-21 | 吴刚 | A kind of preparation method of buffer-type moulded paper pulp product |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118112A (en) * | 2016-06-26 | 2016-11-16 | 郭舒洋 | A kind of preparation method of damping shake composite |
| CN111692459A (en) * | 2020-05-28 | 2020-09-22 | 上海海事大学 | Fluorinated silica nanoparticle composite cucurbituril sponge vacuum insulation board core material and preparation method thereof |
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| JPS57177064A (en) * | 1978-01-30 | 1982-10-30 | Ujisame Kaneko | Preparation of alkali copper chlorophyllin solution |
| CN102517669A (en) * | 2011-11-15 | 2012-06-27 | 青岛大学 | Functional loofah regenerated fiber and preparation method thereof |
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- 2015-09-01 CN CN201710688234.3A patent/CN107419619A/en active Pending
- 2015-09-01 CN CN201510556610.4A patent/CN105176122B/en active Active
- 2015-09-01 CN CN201710688236.2A patent/CN107471773B/en active Active
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| CN103131033A (en) * | 2013-03-20 | 2013-06-05 | 福建农林大学 | Method for preparing nano manganese dioxide/nano microcrystalline cellulose composite films |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425292A (en) * | 2018-04-24 | 2018-08-21 | 吴刚 | A kind of preparation method of buffer-type moulded paper pulp product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107471773B (en) | 2019-05-10 |
| CN105176122A (en) | 2015-12-23 |
| CN107471773A (en) | 2017-12-15 |
| CN105176122B (en) | 2017-10-27 |
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