CN106750103A - Polyurethane operation pallet and preparation method thereof - Google Patents
Polyurethane operation pallet and preparation method thereof Download PDFInfo
- Publication number
- CN106750103A CN106750103A CN201710103763.2A CN201710103763A CN106750103A CN 106750103 A CN106750103 A CN 106750103A CN 201710103763 A CN201710103763 A CN 201710103763A CN 106750103 A CN106750103 A CN 106750103A
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- Prior art keywords
- ppg
- polyurethane
- preparation
- pallet
- parts
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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
- C08G18/28—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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three 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
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
-
- 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
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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 belongs to polyurethane product technical field, and in particular to a kind of polyurethane operation pallet and preparation method thereof.Described polyurethane operation pallet, is prepared from the following raw materials in parts by weight：20~40 parts of PPG DDL 2000D；30~50 parts of PPG DDL 4000D；10~50 parts of PPG DEP 330N；30~75 parts of MDI；4~10 parts of curing agent；Preparation method is that PPG is vacuumized into dehydration, and then cooling adds MDI, synthesizes performed polymer, to adding curing agent to mix in performed polymer, pours into mould the demoulding after vulcanization, then after vulcanizing product.Complex role between each component of the present invention, the polyurethane operation pallet of preparation has the advantages that high intensity, high-wearing feature and good oil resistant, chemical-resistant resistance and hydrolysis, and the present invention also provides its preparation method, and preparation method is simply easily implemented.
Description
Technical field
The invention belongs to polyurethane product technical field, and in particular to a kind of polyurethane operation pallet and preparation method thereof.
Background technology
Existing operation pallet is generally ceramic tile material in the market, and not acid-alkali-corrosive-resisting, and matter is crisp frangible.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of polyurethane operation pallet, with high intensity, height
Wearability and good oil resistant, chemical-resistant resistance and anti-hydrolytic performance；Present invention simultaneously provides its simple preparation side for easily implementing
Method.
Polyurethane of the present invention operates pallet, is prepared from the following raw materials in parts by weight：
Wherein：
Described PPG DDL-2000D is 2 degrees of functionality, the PPG of number-average molecular weight 2000.The polyethers
By Zibo moral letter, federal chemistry Industrial Co., Ltd produces, and the product wearability made of this kind of PPG is good.
Described PPG DDL-4000D is 2 degrees of functionality, the PPG of number-average molecular weight 4000.The polyethers
By Zibo moral letter, federal chemistry Industrial Co., Ltd produces, good, good toughness of product elasticity made of this kind of PPG etc..
Described PPG DEP-330N is 3 degrees of functionality, the PPG of number-average molecular weight 4800.The polyethers by
Zibo federal chemistry Industrial Co., Ltd of moral letter produces, and the Article Stiffness Determination made of this kind of polyalcohol is big, tear-resistant etc..
MDI, methyl diphenylene diisocyanate, good mechanical property, anti-wear performance is excellent.
Described curing agent is 1,4- butanediols.Produced by BASF AG, reaction speed is fast, Article Stiffness Determination
It is high.
Described polyurethane operates the preparation method of pallet, comprises the following steps：
(1) first, by PPG DDL-2000D, PPG DDL-4000D and PPG DEP-330N
In input reactor, it is warming up to 100~120 DEG C and vacuumizes 1~2h of dehydration, then, be cooled to 40~55 DEG C, adds MDI, 75~
Synthesize the performed polymer that NCO mass contents are 4~9% at 85 DEG C；
(2) to adding curing agent to be well mixed in performed polymer obtained in step (1), 25~40min of vulcanization in mould is poured into
The demoulding afterwards, then vulcanize 8~12h at 80~100 DEG C, obtain polyurethane operation pallet product.
In step (2), described mixing temperature is 65~80 DEG C.
Compared with prior art, beneficial effects of the present invention are as follows：
(1) complex role between each component of the present invention, the polyurethane operation pallet of preparation has high intensity, high-wearing feature and good
The advantages of oil resistant well, chemical-resistant resistance and hydrolysis.
(2) present invention also provides its preparation method, and preparation method is simply easily implemented.
Specific embodiment
With reference to embodiment, the present invention will be further described.
Embodiment 1
Described polyurethane operation pallet, is prepared from the following raw materials in parts by weight：
Its preparation method is as follows：
(1) first, by PPG DDL-2000D, PPG DDL-4000D and PPG DEP-330N
In input reactor, it is warming up to 100 DEG C and vacuumizes dehydration 1h, then, be cooled to 40 DEG C, add MDI, NCO matter is synthesized at 75 DEG C
Amount content is 4% performed polymer；
(2) to adding curing agent to be well mixed at 65 DEG C in performed polymer obtained in step (1), pour into mould and vulcanize
The demoulding after 25min, then vulcanize 8h at 80 DEG C, obtain polyurethane operation pallet product.
Embodiment 2
Described polyurethane operation pallet, is prepared from the following raw materials in parts by weight：
Its preparation method is as follows：
(1) first, by PPG DDL-2000D, PPG DDL-4000D and PPG DEP-330N
In input reactor, it is warming up to 110 DEG C and vacuumizes dehydration 1.5h, then, be cooled to 48 DEG C, add MDI, NCO is synthesized at 80 DEG C
Mass content is 6% performed polymer；
(2) to adding curing agent to be well mixed at 73 DEG C in performed polymer obtained in step (1), pour into mould and vulcanize
The demoulding after 30min, then vulcanize 10h at 90 DEG C, obtain polyurethane operation pallet product.
Embodiment 3
Described polyurethane operation pallet, is prepared from the following raw materials in parts by weight：
Its preparation method is as follows：
(1) first, by PPG DDL-2000D, PPG DDL-4000D and PPG DEP-330N
In input reactor, it is warming up to 120 DEG C and vacuumizes dehydration 2.0h, then, be cooled to 55 DEG C, add MDI, NCO is synthesized at 85 DEG C
Mass content is 9% performed polymer；
(2) to adding curing agent to be well mixed at 80 DEG C in performed polymer obtained in step (1), pour into mould and vulcanize
The demoulding after 40min, then vulcanize 12h at 100 DEG C, obtain polyurethane operation pallet product.
Claims (7)
1. a kind of polyurethane operates pallet, it is characterised in that：It is prepared from the following raw materials in parts by weight：
2. polyurethane according to claim 1 operates pallet, it is characterised in that：Described PPG DDL-2000D
It is 2 degrees of functionality, the PPG of number-average molecular weight 2000.
3. polyurethane according to claim 1 operates pallet, it is characterised in that：Described PPG DDL-4000D
It is 2 degrees of functionality, the PPG of number-average molecular weight 4000.
4. polyurethane according to claim 1 operates pallet, it is characterised in that：Described PPG DEP-330N is
3 degrees of functionality, the PPG of number-average molecular weight 4800.
5. polyurethane according to claim 1 operates pallet, it is characterised in that：Described curing agent is 1,4- butanediols.
6. a kind of any described polyurethane of claim 1-5 operates the preparation method of pallet, it is characterised in that：Including following step
Suddenly：
(1) first, PPG DDL-2000D, PPG DDL-4000D and PPG DEP-330N are put into
In reactor, it is warming up to 100~120 DEG C and vacuumizes 1~2h of dehydration, then, be cooled to 40~55 DEG C, adds MDI, 75~85 DEG C
Lower synthesis NCO mass contents are 4~9% performed polymer；
(2) to adding curing agent to be well mixed in performed polymer obtained in step (1), pour into mould and taken off after vulcanizing 25~40min
Mould, then vulcanize 8~12h at 80~100 DEG C, obtain polyurethane operation pallet product.
7. polyurethane according to claim 6 operates the preparation method of pallet, it is characterised in that：It is described in step (2)
Mixing temperature is 65~80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103763.2A CN106750103A (en) | 2017-02-24 | 2017-02-24 | Polyurethane operation pallet and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103763.2A CN106750103A (en) | 2017-02-24 | 2017-02-24 | Polyurethane operation pallet and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106750103A true CN106750103A (en) | 2017-05-31 |
Family
ID=58960535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103763.2A Pending CN106750103A (en) | 2017-02-24 | 2017-02-24 | Polyurethane operation pallet and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106750103A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781454A (en) * | 2009-12-25 | 2010-07-21 | 山东东大一诺威聚氨酯有限公司 | Low hardness polyurethane elastic body composite |
| CN101928376A (en) * | 2010-08-27 | 2010-12-29 | 中国海洋石油总公司 | Polyurethane elastomer composition and preparation method thereof |
| CN102040826A (en) * | 2010-09-10 | 2011-05-04 | 山东东大一诺威聚氨酯有限公司 | Polyurethane elastomer composition for automobile slip pad |
| CN102558496A (en) * | 2011-12-23 | 2012-07-11 | 山东东大一诺威聚氨酯有限公司 | Room temperature solidification polyurethane elastomer combination |
| CN102585147A (en) * | 2011-12-23 | 2012-07-18 | 山东东大一诺威聚氨酯有限公司 | Polyurethane elastic body composition for engineering equipment |
| CN105273160A (en) * | 2014-07-24 | 2016-01-27 | 深圳市湘东兴实业有限公司 | Transparent yellowing-resistance polyurethane elastomer and preparation method thereof |
-
2017
- 2017-02-24 CN CN201710103763.2A patent/CN106750103A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101781454A (en) * | 2009-12-25 | 2010-07-21 | 山东东大一诺威聚氨酯有限公司 | Low hardness polyurethane elastic body composite |
| CN101928376A (en) * | 2010-08-27 | 2010-12-29 | 中国海洋石油总公司 | Polyurethane elastomer composition and preparation method thereof |
| CN102040826A (en) * | 2010-09-10 | 2011-05-04 | 山东东大一诺威聚氨酯有限公司 | Polyurethane elastomer composition for automobile slip pad |
| CN102558496A (en) * | 2011-12-23 | 2012-07-11 | 山东东大一诺威聚氨酯有限公司 | Room temperature solidification polyurethane elastomer combination |
| CN102585147A (en) * | 2011-12-23 | 2012-07-18 | 山东东大一诺威聚氨酯有限公司 | Polyurethane elastic body composition for engineering equipment |
| CN105273160A (en) * | 2014-07-24 | 2016-01-27 | 深圳市湘东兴实业有限公司 | Transparent yellowing-resistance polyurethane elastomer and preparation method thereof |
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| 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 | ||
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Application publication date: 20170531 |