CN107603556A - A kind of preparation method of tent PUR - Google Patents
A kind of preparation method of tent PUR Download PDFInfo
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- CN107603556A CN107603556A CN201710902601.5A CN201710902601A CN107603556A CN 107603556 A CN107603556 A CN 107603556A CN 201710902601 A CN201710902601 A CN 201710902601A CN 107603556 A CN107603556 A CN 107603556A
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- dibasic acid
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- dimeric dibasic
- pur
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Abstract
The present invention discloses a kind of preparation method of tent bonding PUR, including following operating procedure：（1）After dimeric dibasic acid and benzene are mixed, fluidized state is heated under normal pressure, after keeping the 12min of fluidized state 8, room temperature is cooled to, adds anhydrous magnesium sulfate thereto, is evaporated under reduced pressure, anhydrous dimeric dibasic acid is made；（2）Anhydrous dimeric dibasic acid, caprolactam, IPD are added into autoclave, and continue to add sodium phytate, hmds, the concentrated sulfuric acid thereto, after well mixed, the temperature of autoclave is risen to 230 240 DEG C, it is that 1.3 1.5MPa react 160 200min to keep pressure；（3）After pressure release, titanate coupling agent NDZ 201, aluminium isopropoxide are added thereto, and after being well mixed, after the 80min of insulation reaction 60, mixture is down to room temperature, finished product.PUR cohesive force produced by the present invention is strong, and especially it has excellent weatherability, and for tent during use, glue is not susceptible to the phenomenon of failure, effectively extends the service life of tent.
Description
Technical field
The invention belongs to tent preparing technical field, and in particular to a kind of preparation method of tent PUR.
Background technology
Tent is to support to cover wind and rain, daylight and the shed for living temporarily on the ground.Multi-purpose canvas is made, and is used together with support
Thing, transfer can be pulled down at any time.The quality of tent quality, mainly determined by the quality of its fabric, it is general commercially available common
Tent material up and down two layers be TPUE rubber（TPU）Material, intermediate layer are woven dacron, per shell fabric it
Between bonded by PUR.But commercially available common PUR, weatherability is poor, in the wild in use, being easy to aoxidize
Act on and bond effect occur, cause tent material the phenomenon departed from occur.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of preparation method of tent PUR.
The present invention is achieved by the following technical solutions.
A kind of preparation method of tent bonding PUR, including following operating procedure：
（1）By dimeric dibasic acid and benzene according to 10-15:After 3 ratio mixing, fluidized state is heated under normal pressure, keeps fluidized state
After 8-12min, room temperature is cooled to, is 1 according to mass volume ratio:300 ratio adds anhydrous magnesium sulfate thereto, and decompression is steamed
Evaporate, anhydrous dimeric dibasic acid is made；
（2）By weight, by 54-65 part steps（1）The anhydrous dimeric dibasic acid of gained, 34-38 parts caprolactam, 10-15 parts are different
Isophoronediamine is added into autoclave, and continues to add 2-4 parts sodium phytate, 4-8 parts hmds, 0.1- thereto
0.3 part of concentrated sulfuric acid, after being well mixed, the temperature of autoclave is risen to 230-240 DEG C, keeps pressure to be reacted for 1.3-1.5MPa
160-200min；
（3）After pressure release, after being cooled to 120-140 DEG C, titanate coupling agent NDZ-201, aluminium isopropoxide are added thereto, is mixed
After closing uniformly, after insulation reaction 60-80min, mixture is down to room temperature, finished product.
Specifically, in above-mentioned dimeric dibasic acid, mono-acid content is 4%, dimer content 88%, and tripolymer content is 8%, relatively
Molecular mass is 570.
Specifically, above-mentioned steps（3）In, titanate coupling agent NDZ-201 addition is step（2）In anhydrous dimeric dibasic acid
The 3-6% of quality, the addition of aluminium isopropoxide is step（2）In anhydrous dimeric dibasic acid quality 1-3%.
Specifically, above-mentioned titanate coupling agent NDZ-201 viscosity is 1200mm2/ s, pH value 8.0, above-mentioned three isopropyl
Aluminium content is 13.5% in epoxide aluminium.
Technical scheme more than, the beneficial effects of the invention are as follows：
A kind of preparation method of tent bonding PUR provided by the invention, simple to operate, cost is cheap, obtained hot melt
Glue, cohesive force is strong, and especially it has excellent weatherability, and for tent during use, glue is not susceptible to showing for failure
As effectively extending the service life of tent.Step（1）In, the moisture in dimeric dibasic acid is thoroughly removed, can effectively be lifted poly-
Close the speed of reaction and the yield of product；After with dimeric dibasic acid polymerisation occurs for IPD, the polymer of generation, side chain
With excellent stability, the phenomenon that main chain is broken can be effectively avoided, and then improves the water resistance, heat-resisting of PUR
Become performance, in outdoor application, excellent cohesive force can be kept for a long time, greatly extend the service life of tent；Step
Suddenly（2）After sodium phytate and hmds synergy, the content of moisture in reaction system on the one hand can be reduced, on the other hand
Sodium phytate can effectively increase the number of hydrogen bond in obtained polymerize, and then effectively improve the toughness after glue dries, and six
The silicon amine of methyl two to a certain extent add the mean molecule quantity of polymer, and then improve the weatherability of PUR；Titanium
Acid esters coupling agent NDZ-201, aluminium isopropoxide add in final stage, can effectively avoid PUR during storage
The phenomenon of coagulation occurs.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, following examples are carried out to the present invention
It is further described.It should be appreciated that specific embodiment party example described herein is not used to limit only to explain the present invention
The fixed present invention.
Embodiment 1
A kind of preparation method of tent bonding PUR, including following operating procedure：
（1）By dimeric dibasic acid and benzene according to 10:After 3 ratio mixing, fluidized state is heated under normal pressure, keeps fluidized state 8min
Afterwards, room temperature is cooled to, is 1 according to mass volume ratio:300 ratio adds anhydrous magnesium sulfate thereto, is evaporated under reduced pressure, and nothing is made
Water dimeric dibasic acid；
（2）By weight, by 54 parts of steps（1）The anhydrous dimeric dibasic acid of gained, 34 parts of caprolactams, 10 parts of IPDs
Add into autoclave, and continue to add 2 parts of sodium phytates, 4 parts of hmds, 0.1 part of concentrated sulfuric acid thereto, be well mixed
Afterwards, the temperature of autoclave is risen to 230 DEG C, it is that 1.3MPa reacts 160min to keep pressure；
（3）After pressure release, after being cooled to 120 DEG C, titanate coupling agent NDZ-201, aluminium isopropoxide are added thereto, mixing is equal
After even, after insulation reaction 60min, mixture is down to room temperature, finished product.
Specifically, in above-mentioned dimeric dibasic acid, mono-acid content is 4%, dimer content 88%, and tripolymer content is 8%, relatively
Molecular mass is 570.
Specifically, above-mentioned steps（3）In, titanate coupling agent NDZ-201 addition is step（2）In anhydrous dimeric dibasic acid
The 3% of quality, the addition of aluminium isopropoxide is step（2）In anhydrous dimeric dibasic acid quality 1%.
Specifically, above-mentioned titanate coupling agent NDZ-201 viscosity is 1200mm2/ s, pH value 8.0, above-mentioned three isopropyl
Aluminium content is 13.5% in epoxide aluminium.
Embodiment 2
A kind of preparation method of tent bonding PUR, including following operating procedure：
（1）By dimeric dibasic acid and benzene according to 13:After 3 ratio mixing, fluidized state is heated under normal pressure, keeps fluidized state
After 10min, room temperature is cooled to, is 1 according to mass volume ratio:300 ratio adds anhydrous magnesium sulfate thereto, is evaporated under reduced pressure,
Anhydrous dimeric dibasic acid is made；
（2）By weight, by 60 parts of steps（1）The anhydrous dimeric dibasic acid of gained, 36 parts of caprolactams, 13 parts of IPDs
Add into autoclave, and continue to add 3 parts of sodium phytates, 6 parts of hmds, 0.2 part of concentrated sulfuric acid thereto, be well mixed
Afterwards, the temperature of autoclave is risen to 235 DEG C, it is that 1.4MPa reacts 180min to keep pressure；
（3）After pressure release, after being cooled to 130 DEG C, titanate coupling agent NDZ-201, aluminium isopropoxide are added thereto, mixing is equal
After even, after insulation reaction 70min, mixture is down to room temperature, finished product.
Specifically, in above-mentioned dimeric dibasic acid, mono-acid content is 4%, dimer content 88%, and tripolymer content is 8%, relatively
Molecular mass is 570.
Specifically, above-mentioned steps（3）In, titanate coupling agent NDZ-201 addition is step（2）In anhydrous dimeric dibasic acid
The 5% of quality, the addition of aluminium isopropoxide is step（2）In anhydrous dimeric dibasic acid quality 2%.
Specifically, above-mentioned titanate coupling agent NDZ-201 viscosity is 1200mm2/ s, pH value 8.0, above-mentioned three isopropyl
Aluminium content is 13.5% in epoxide aluminium.
Embodiment 3
A kind of preparation method of tent bonding PUR, including following operating procedure：
（1）By dimeric dibasic acid and benzene according to 15:After 3 ratio mixing, fluidized state is heated under normal pressure, keeps fluidized state
After 12min, room temperature is cooled to, is 1 according to mass volume ratio:300 ratio adds anhydrous magnesium sulfate thereto, is evaporated under reduced pressure,
Anhydrous dimeric dibasic acid is made；
（2）By weight, by 65 parts of steps（1）The anhydrous dimeric dibasic acid of gained, 38 parts of caprolactams, 15 parts of IPDs
Add into autoclave, and continue to add 4 parts of sodium phytates, 8 parts of hmds, 0.3 part of concentrated sulfuric acid thereto, be well mixed
Afterwards, the temperature of autoclave is risen to 240 DEG C, it is that 1.5MPa reacts 200min to keep pressure；
（3）After pressure release, after being cooled to 140 DEG C, titanate coupling agent NDZ-201, aluminium isopropoxide are added thereto, mixing is equal
After even, after insulation reaction 80min, mixture is down to room temperature, finished product.
Specifically, in above-mentioned dimeric dibasic acid, mono-acid content is 4%, dimer content 88%, and tripolymer content is 8%, relatively
Molecular mass is 570.
Specifically, above-mentioned steps（3）In, titanate coupling agent NDZ-201 addition is step（2）In anhydrous dimeric dibasic acid
The 6% of quality, the addition of aluminium isopropoxide is step（2）In anhydrous dimeric dibasic acid quality 3%.
Specifically, above-mentioned titanate coupling agent NDZ-201 viscosity is 1200mm2/ s, pH value 8.0, above-mentioned three isopropyl
Aluminium content is 13.5% in epoxide aluminium.
PUR is made in the method provided respectively with each embodiment, commercially available common heat seeling coating glue is chosen, then by it
It is respectively coated the TPU cloth in formed objects（10cm×10cm）On, sample is placed and deposited 30 in an outdoor environment, tests it
Peel strength, test result are as shown in table 1：
The PUR weatherability of table 1 is tested
| Project | Peel strength at 1 day, N/cm | Peel strength at 30 days, N/cm |
| Embodiment 1 | 73 | 68 |
| Embodiment 2 | 75 | 70 |
| Embodiment 3 | 76 | 73 |
| Comparative example | 66 | 34 |
As shown in Table 1, PUR produced by the present invention, there is excellent weatherability and adhesion strength.
Certainly, it is limitation of the present invention that described above, which is not, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, change, change, addition or the replacement made, should all belong to the present invention
Protection domain.
Claims (4)
1. a kind of preparation method of tent bonding PUR, it is characterised in that including following operating procedure：
（1）By dimeric dibasic acid and benzene according to 10-15:After 3 ratio mixing, fluidized state is heated under normal pressure, keeps fluidized state
After 8-12min, room temperature is cooled to, is 1 according to mass volume ratio:300 ratio adds anhydrous magnesium sulfate thereto, and decompression is steamed
Evaporate, anhydrous dimeric dibasic acid is made；
（2）By weight, by 54-65 part steps（1）The anhydrous dimeric dibasic acid of gained, 34-38 parts caprolactam, 10-15 parts are different
Isophoronediamine is added into autoclave, and continues to add 2-4 parts sodium phytate, 4-8 parts hmds, 0.1- thereto
0.3 part of concentrated sulfuric acid, after being well mixed, the temperature of autoclave is risen to 230-240 DEG C, keeps pressure to be reacted for 1.3-1.5MPa
160-200min；
（3）After pressure release, after being cooled to 120-140 DEG C, titanate coupling agent NDZ-201, aluminium isopropoxide are added thereto, is mixed
After closing uniformly, after insulation reaction 60-80min, mixture is down to room temperature, finished product.
2. according to a kind of preparation method of tent PUR described in claim 1, it is characterised in that above-mentioned dimeric dibasic acid
In, mono-acid content is 4%, dimer content 88%, and tripolymer content is 8%, relative molecular mass 570.
3. according to a kind of preparation method of tent PUR described in claim 1, it is characterised in that above-mentioned steps（3）
In, titanate coupling agent NDZ-201 addition is step（2）In anhydrous dimeric dibasic acid quality 3-6%, aluminium isopropoxide
Addition is step（2）In anhydrous dimeric dibasic acid quality 1-3%.
4. according to a kind of preparation method of tent PUR described in claim 3, it is characterised in that above-mentioned titanate esters are even
The viscosity for joining agent NDZ-201 is 1200mm2/ s, pH value 8.0, aluminium content is 13.5% in above-mentioned aluminium isopropoxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902601.5A CN107603556A (en) | 2017-09-29 | 2017-09-29 | A kind of preparation method of tent PUR |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902601.5A CN107603556A (en) | 2017-09-29 | 2017-09-29 | A kind of preparation method of tent PUR |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113843A (en) * | 2013-02-20 | 2013-05-22 | 江苏永林油脂化工有限公司 | Preparation method of low-acid-value low-viscosity dimer acid type polyamide hot melt adhesive |
| CN103468198A (en) * | 2013-09-17 | 2013-12-25 | 上海天洋热熔胶有限公司 | Preparation method of dimer acid type polyamide hot melt adhesive for heat-shrinkable sleeve |
| CN103484053A (en) * | 2013-10-16 | 2014-01-01 | 上海天洋热熔胶有限公司 | Preparation method of hot-melt adhesive for conductive fabrics |
| CN104356999A (en) * | 2014-10-22 | 2015-02-18 | 重庆市旭星化工有限公司 | Copolyamide hot melt adhesive |
-
2017
- 2017-09-29 CN CN201710902601.5A patent/CN107603556A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103113843A (en) * | 2013-02-20 | 2013-05-22 | 江苏永林油脂化工有限公司 | Preparation method of low-acid-value low-viscosity dimer acid type polyamide hot melt adhesive |
| CN103468198A (en) * | 2013-09-17 | 2013-12-25 | 上海天洋热熔胶有限公司 | Preparation method of dimer acid type polyamide hot melt adhesive for heat-shrinkable sleeve |
| CN103484053A (en) * | 2013-10-16 | 2014-01-01 | 上海天洋热熔胶有限公司 | Preparation method of hot-melt adhesive for conductive fabrics |
| CN104356999A (en) * | 2014-10-22 | 2015-02-18 | 重庆市旭星化工有限公司 | Copolyamide hot melt adhesive |
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Application publication date: 20180119 |