CN115322333A - Zero-pressure sponge and production method thereof - Google Patents
Zero-pressure sponge and production method thereof Download PDFInfo
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- CN115322333A CN115322333A CN202211118144.8A CN202211118144A CN115322333A CN 115322333 A CN115322333 A CN 115322333A CN 202211118144 A CN202211118144 A CN 202211118144A CN 115322333 A CN115322333 A CN 115322333A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- 206010016766 flatulence Diseases 0.000 claims abstract description 26
- 229920002545 silicone oil Polymers 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 16
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 15
- 229920000570 polyether Polymers 0.000 claims abstract description 15
- 235000012424 soybean oil Nutrition 0.000 claims abstract description 15
- 239000003549 soybean oil Substances 0.000 claims abstract description 15
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229920005862 polyol Polymers 0.000 claims abstract description 14
- 150000003077 polyols Chemical class 0.000 claims abstract description 14
- 150000001412 amines Chemical class 0.000 claims abstract description 12
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000006260 foam Substances 0.000 claims description 21
- 238000005187 foaming Methods 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007373 indentation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229920001002 functional polymer Polymers 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3271—Hydroxyamines
- C08G18/3275—Hydroxyamines containing two hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/36—Hydroxylated esters of higher fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6666—Compounds of group C08G18/48 or C08G18/52
- C08G18/6696—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/36 or hydroxylated esters of higher fatty acids of C08G18/38
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2101/00—Manufacture of cellular products
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention relates to a zero-pressure sponge and a production method thereof, and the zero-pressure sponge comprises the following raw materials in parts by weight: and (3) flatulence polyether: 65-75 parts by weight; biological soybean oil: 15-25 parts by weight; polymer polyol: 5-15 parts by weight; water: 1.5-2 parts by weight; flatulence silicone oil: 0.7-1.3 parts by weight; silicone oil: 0.4-0.8 weight part; amine: 0.3-0.7 weight part; diethanolamine: 1-3 parts by weight; diphenylmethane diisocyanate: 40-50 parts by weight. The invention has the characteristics of high indentation hardness, slow rebound, high comfort and the like.
Description
Technical Field
The invention relates to the technical field of sponge production, in particular to a zero-pressure sponge and a production method thereof.
Background
Polyurethane sponges are widely used in the household and automotive fields, such as in the production of sofas, mattresses, pillows, car seats, etc., because they provide excellent comfort, support feel and physical properties. In industry, polyurethane zero pressure sponges can be produced using a continuous bulk sponge foaming process, a discontinuous bulk sponge process, and a molding process.
The memory cotton is composed of a plurality of fine particles, and can naturally become soft and sink along with the body shape after contacting the body temperature of a human body, and the pressed area is uniformly distributed, so that the human body can be comfortably supported; the memory cotton is a functional polymer material, and the memory cotton is used for carrying out molecular combination and modification on a general polymer material by using modern polymer physics and polymer synthesis and modification technology; for example, the molecular combination and the molecular structure adjustment are carried out on high molecular materials such as polyether, soybean oil and the like, so that the high molecular materials have the common properties of plastics and rubber, have the properties of plastics in a normal temperature range, namely hardness and shape stability, and have the characteristics of rubber at a certain temperature (namely, memory temperature), and mainly show the deformability and the shape recovery of the materials, namely the memory function of the materials, namely the cycle of 'memorizing initial state-fixed deformation-recovery initial state'; along with the improvement of living standard, the memory soft enters the life of people, and simultaneously, the people put forward high requirements on the comfort of the memory soft.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the zero-pressure sponge with high indentation hardness and slow rebound.
The above object of the present invention is achieved by the following technical solutions:
the zero-pressure sponge comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: and (3) flatulence polyether: 65-75 parts by weight; biological soybean oil: 15-25 parts by weight; polymer polyol: 5-15 parts by weight; water: 1.5-2 parts by weight; flatulence silicone oil: 0.7-1.3 parts by weight; silicone oil: 0.4-0.8 weight part; amine: 0.3-0.7 weight part; diethanolamine: 1-3 parts by weight; diphenylmethane diisocyanate: 40-50 parts by weight.
The invention in a preferred example may be further configured to: the feed comprises the following raw materials in parts by weight: and (3) flatulence polyether: 70 parts by weight; biological soybean oil: 20 parts by weight; polymer polyol: 10 parts by weight; water: 1.8 parts by weight; flatulence silicone oil: 1 part by weight; silicone oil: 0.6 part by weight; amine: 0.5 part by weight; diethanolamine: 2 parts by weight; diphenylmethane diisocyanate: 44 parts by weight.
A production method of zero-pressure sponge comprises the following steps:
s1, mixing and foaming, namely pumping raw materials of flatulence polyether, biological soybean oil, polymer polyol, water, flatulence silicone oil, amine, diethanolamine and diphenylmethane diisocyanate into the interior of a mixing head through a hopper for mixing, and conveying the mixture into the interior of a foaming machine for foaming to obtain foam;
s2, curing, namely conveying the foam output by the foaming machine to a curing platform for heating and curing to obtain a foam body;
s3, cutting, namely cutting the foam into block foam by using a cutting machine;
s4, curing, namely stacking the block foam in a curing warehouse for curing;
s5, post-processing, namely grinding and polishing the cured block foam to obtain the zero-pressure sponge, wherein in a preferred example, the invention can be further configured as follows: when the indoor temperature is higher than 25 ℃ in the step S1, the temperature of the mixture A and the isocyanate is kept between 22 and 23 ℃; when the room temperature is below 10 ℃, the temperature of the mixture A and the isocyanate is kept between 25 and 26 ℃, and the temperature of the mixture B is kept between 24 and 25 ℃.
The invention in a preferred example may be further configured to: in the step S1, the temperature of the raw materials in the hopper is controlled to be 20-26 ℃, and the temperature and the material preparation time is controlled to be 6-9H.
The invention in a preferred example may be further configured to: in the step S1, the rotating speed of the mixing head is 4000-7000r/min, and the mixing time is 1-2S.
The present invention in a preferred example may be further configured to: the foaming time in the step S1 is 3-5min.
The invention in a preferred example may be further configured to: the curing time in the step S2 is 4-5min.
The present invention in a preferred example may be further configured to: the curing time in the step S4 is 24-36H.
In summary, the present invention includes at least one of the following beneficial effects:
according to the invention, after temperature control and material preparation are carried out on the flatulence polyether, the biological soybean oil, the polymer polyol, the diphenylmethane diisocyanate and other auxiliary materials, then a plurality of mixtures are uniformly stirred, and then a foaming process is carried out to produce the zero-pressure sponge; the zero-pressure sponge has the characteristics of high indentation hardness, slow rebound, high comfort degree and the like.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic diagram of a production flow framework of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the zero-pressure sponge disclosed by the invention comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: and (3) flatulence polyether: 65-75 parts by weight; biological soybean oil: 15-25 parts by weight; polymer polyol: 5-15 parts by weight; water: 1.5-2 parts by weight; flatulence silicone oil: 0.7-1.3 parts by weight; silicone oil: 0.4-0.8 weight parts; amine: 0.3-0.7 weight parts; diethanolamine: 1-3 parts by weight; diphenylmethane diisocyanate: 40-50 parts by weight.
A production method of zero-pressure sponge comprises the following steps:
s1, mixing and foaming, namely storing raw materials of flatulence polyether, biological soybean oil, polymer polyol, water, flatulence silicone oil, amine, diethanolamine and diphenylmethane diisocyanate in a hopper, controlling the temperature of the raw materials in the hopper to be 20-26 ℃, controlling the temperature and preparing the materials for 6-9H, pumping the raw materials into a mixing head for mixing, wherein the rotating speed of the mixing head is 4000-7000r/min, the mixing time is 1-2s, conveying the raw materials into a foaming machine for foaming, and the foaming time is 3-5min to obtain foam;
s2, curing, namely conveying the foam output by the foaming machine to a curing platform for heating and curing, wherein the curing time is 4-5min, so as to obtain a foam body;
s3, cutting, namely cutting the foam into block foam by using a cutting machine;
s4, curing, namely stacking the block foams in a curing warehouse for curing, wherein the curing time is 24-36H;
and S5, post-processing, namely grinding and polishing the cured block foam to obtain the zero-pressure sponge.
Example 1:
the zero-pressure sponge comprises the following raw materials in parts by weight: and (3) flatulence polyether: 70 parts by weight; biological soybean oil: 20 parts by weight; polymer polyol: 10 parts by weight; water: 1.8 parts by weight; flatulence silicone oil: 1 part by weight; silicone oil: 0.6 part by weight; amine: 0.5 part by weight; diethanolamine: 2 parts by weight; diphenylmethane diisocyanate: 44 parts by weight.
Example 2:
the zero-pressure sponge comprises the following raw materials in parts by weight: and (3) flatulence polyether: 65 parts by weight; biological soybean oil: 15 parts by weight; polymer polyol: 5 parts by weight; water: 1.5 parts by weight; flatulence silicone oil: 0.6 part by weight; silicone oil: 0.5 part by weight; amine: 0.3 part by weight; diethanolamine: 1 part by weight; diphenylmethane diisocyanate: 40 parts by weight.
Example 3:
the zero-pressure sponge comprises the following raw materials in parts by weight: and (3) flatulence polyether: 75 parts by weight; biological soybean oil: 25 parts by weight; polymer polyol: 25 parts by weight; water: 2 parts by weight; flatulence silicone oil: 1.3 parts by weight; silicone oil: 0.8 part by weight; amine: 0.7 part by weight; diethanolamine: 3 parts by weight; diphenylmethane diisocyanate: 50 parts by weight.
The zero-pressure sponges obtained in the above examples were tested according to the standards GB/T6670, GB/T6669, GB/T1808 and GB/T6344, and the test results are shown in the following table:
in conclusion, the invention can produce the zero-pressure sponge by the steps of carrying out temperature control and material preparation on the flatulence polyether, the biological soybean oil, the polymer polyol, the diphenylmethane diisocyanate and other auxiliary materials, uniformly stirring, and carrying out a foaming process; the zero-pressure sponge has the characteristics of high indentation hardness, slow rebound, high comfort degree and the like.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A zero-pressure sponge is characterized in that: the feed comprises the following raw materials in parts by weight: the feed comprises the following raw materials in parts by weight: and (3) flatulence polyether: 65-75 parts by weight; biological soybean oil: 15-25 parts by weight; polymer polyol: 5-15 parts by weight; water: 1.5-2 parts by weight; flatulence silicone oil: 0.7-1.3 weight parts; silicone oil: 0.4-0.8 weight parts; amine: 0.3-0.7 weight parts; diethanolamine: 1-3 parts by weight; diphenylmethane diisocyanate: 40-50 parts by weight.
2. The zero-pressure sponge as claimed in claim 1, wherein: the feed comprises the following raw materials in parts by weight: and (3) flatulence polyether: 70 parts by weight; biological soybean oil: 20 parts by weight; polymer polyol: 10 parts by weight; water: 1.8 parts by weight; flatulence silicone oil: 1 part by weight; silicone oil: 0.6 part by weight; amine: 0.5 part by weight; diethanolamine: 2 parts by weight; diphenylmethane diisocyanate: 44 parts by weight.
3. The production method of the zero-pressure sponge is characterized by comprising the following steps of:
s1, mixing and foaming, namely pumping raw materials of flatulence polyether, biological soybean oil, polymer polyol, water, flatulence silicone oil, amine, diethanolamine and diphenylmethane diisocyanate into the interior of a mixing head through a hopper for mixing, and conveying the mixture into the interior of a foaming machine for foaming to obtain foam;
s2, curing, namely conveying the foam output by the foaming machine to a curing platform for heating and curing to obtain a foam body;
s3, cutting, namely cutting the foam into block foam by using a cutting machine;
s4, curing, namely stacking the block foam in a curing warehouse for curing;
and S5, post-treatment, namely grinding and polishing the cured block foam to obtain the zero-pressure sponge.
4. A method for producing zero pressure sponge according to claim 3, wherein: in the step S1, the temperature of the raw materials in the hopper is controlled to be 20-26 ℃, and the temperature and the material preparation time is controlled to be 6-9H.
5. The method for producing zero-pressure sponge according to claim 4, wherein: in the step S1, the rotating speed of the mixing head is 4000-7000r/min, and the mixing time is 1-2S.
6. The method for producing zero-pressure sponge according to claim 4, wherein: the foaming time in the step S1 is 3-5min.
7. A method for producing zero pressure sponge according to claim 3, wherein: the curing time in the step S2 is 4-5min.
8. The method for producing zero-pressure sponge as claimed in claim 3, wherein: the curing time in the step S4 is 24-36H.
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| CN202211118144.8A CN115322333A (en) | 2022-09-15 | 2022-09-15 | Zero-pressure sponge and production method thereof |
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