CN106117948A - A kind of high ventilative water absorbing properties compositions and preparation method thereof and molded article - Google Patents
A kind of high ventilative water absorbing properties compositions and preparation method thereof and molded article Download PDFInfo
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- CN106117948A CN106117948A CN201610486887.9A CN201610486887A CN106117948A CN 106117948 A CN106117948 A CN 106117948A CN 201610486887 A CN201610486887 A CN 201610486887A CN 106117948 A CN106117948 A CN 106117948A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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Abstract
The invention discloses a kind of high ventilative water absorbing properties compositions and preparation method thereof and molded article, this height is breathed freely water absorbing properties compositions, comprise the compositions of ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin, the part by weight of described ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is: 0.01 30%:0.01 30%:40 99.98%, wherein, ammonium polyphosphate modifying is that to APP, γ aminopropyl triethoxysilane coupling agent is carried out surface modification；Modified polypropylene resin is to polypropylene, maleic anhydride to be carried out surface modification and get final product.The compositions of the present invention and the ventilative of prepared molded article and water absorbing properties thereof have significant raising, there is good mouldability and fire-retardant water-retaining property performance, higher heat distortion temperature and light stability, the molded article processing procedure prepared is easy, low environment pollutes, and has wide range of applications.
Description
Technical field
The present invention relates to field of material technology, specifically a kind of high ventilative water absorbing properties compositions and preparation method thereof and becoming
Type product, the height that this molded article makes many non-breathable water absorbing properties materials have excellence is breathed freely water absorbing properties.
Background technology
APP also known as ammonium polyphosphate or polycondensation ammonium phosphate (being called for short APP), nineteen sixty-five Monsanto Chemicals first
Succeed in developing.APP is nonpoisonous and tasteless, does not produce etchant gas, has certain hygroscopicity, and heat stability is high, is one
The non-halogen fire retardant that energy is excellent.APP has expandable flame retardant function, therefore is more beneficial for dropping cigarette and anti-dripping melt, although be solid
Body, but it is prone in polyhydric alcohol dispersion.The phosphorus content 0.01%-50% of APP, nitrogenous for 0.01%-50%.Polyphosphoric acid
Ammonium is white crystals or amorphous fine powder.
Water-absorbing resin is to grow up also known as super strength water absorbent or high water-retaining agent (being called for short SAP) end of the sixties in last century.
Within 1961, first United States Department of Agriculture's north institute is succeeded in developing.Water-absorbing resin is nonpoisonous and tasteless, blood of human body is not produced solidification.
Water-absorbing resin has the strongest water absorbing capacity, can absorb himself weight hundreds times, the water of the most thousands of times, and rate of water absorption is very
Hurry up, and there is the water retention property of excellence, make thin-film sheet and sheet material, there is certain ventilative and water absorbing properties.Water-absorbing resin
For white-amorphous attritive powder, it is 0.01%-30% containing sodium amount.Water-absorbing resin is the Novel absorbent of a kind of function admirable, guarantor
Water, gas permeable material.
Polypropylene (PP) is one with fastest developing speed in five big general-purpose plastics, is widely used in industry and daily life.
By the mechanical property that can improve PP further blended, compound, widen its application.MODIFIED PP it is crucial that increase its pole
Property, improve PP and inorganic particulate or the compatibility of other polar polymers.With maleic anhydride (MAH) graft PP of polarity,
Macromolecular main chain introduces suitable polarity side chain, improves the deficiency in PP performance, expand a kind of simple of its range of application
And effective method.But the existence of methyl makes its Chain Flexibility reduce and fragility increase in PP.It addition, PP melts
Changing latent heat big and temperature sensitive, during molding, temperature must control could obtain optimal mechanical property a narrower scope
Energy；The viscosity of PP is affected relatively big by shearing force, thus its mobility can be had a huge impact thus change by injection pressure
Its final mechanical property；Dwell time and dwell pressure affect the mechanical property of PP goods the most to a certain extent.Three oxidations two
Antimony, magnesium hydroxide, aluminium hydroxide, tetramethylolmethane, silicon system, bromine system, APP, polyacrylic acid (salt system), polyacrylate (sodium
Salt) the organic and inorganic synthetic polymer such as it is and natural mineral fillers can improve the ventilative of polymer and water absorption.The most poly-phosphorus
Acid ammonium is a kind of natural minerals, and polyacrylate (sodium salt) is to be a kind of synthetic organic polymers (water-absorbing resin).APP
The dispersibility in PP, the compatibility, boundary is added after gamma-aminopropyl-triethoxy-silane coupling agent surface modification treatment
Face adhesion, reduces and reunites, and the water-absorbing resin after dried enhances the ventilative of composite and water absorption jointly.
Summary of the invention
It is an object of the invention to provide and a kind of there is good mouldability and fire-retardant water-retaining property performance, higher thermal deformation
The height of temperature and light stability is breathed freely water absorbing properties compositions and preparation method thereof and molded article, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, the present invention provides following technical scheme:
A kind of high ventilative water absorbing properties compositions, comprises ammonium polyphosphate modifying (M-APP), water-absorbing resin (SAP) and modification poly-third
The compositions of olefine resin (M-PP), the part by weight of described ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is:
0.01-30%:0.01-30%:40-99.98%, wherein, ammonium polyphosphate modifying is by gamma-aminopropyl-triethoxy-silane coupling agent
APP is carried out surface modification；Modified polypropylene resin is maleic anhydride to carry out surface modification to polypropylene i.e.
?.
As the further scheme of the present invention: described ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin according to
Mass percent is: 0.01-10%:0.01-10%:80-99.98%.
As the further scheme of the present invention: described ammonium polyphosphate modifying (M-APP) is prepared by following method:
A) gamma-aminopropyl-triethoxy-silane coupling agent and APP, and gamma-aminopropyl-triethoxy-silane coupling agent are weighed
It is 0.01-15%:85-99.99% with APP according to mass percent；
B) the gamma-aminopropyl-triethoxy-silane coupling agent and the APP that step a) are obtained mix 1-10 at 25 DEG C-80 DEG C
Hour, obtain mixture；
C) described mixture is dried 1-10 hour at 25-80 DEG C of air dry oven, obtains ammonium polyphosphate modifying.
As the further scheme of the present invention: in described step a), gamma-aminopropyl-triethoxy-silane coupling agent is with poly-
Ammonium phosphate is 0.01-10%:90-99.99% according to mass percent.
As the further scheme of the present invention: described APP is a kind of mineral that Quadrafos contains nitrogen, phosphorus,
The chemical molecular skeleton symbol of described APP: (NH4)(n+2)PnO(3n+1), in described APP, n is 10-50, and APP is
White crystals or amorphous fine powder.
As the further scheme of the present invention: when preparing ammonium polyphosphate modifying, gamma-aminopropyl-triethoxy-silane is even
Connection agent and APP are after 25 DEG C-80 DEG C mixing 1-10 hour, and the ultrasonic wave concussion of the ammonium polyphosphate modifying after drying processes,
Diafiltration product is to filtrate close to neutral post-drying ammonium polyphosphate modifying again.
As the further scheme of the present invention: described water-absorbing resin is polyacrylate sodium salt system, described water-absorbing resin
In containing a kind of mineral of sodium, the chemical molecular skeleton symbol of described water-absorbing resin: ［ C3H3O2Na ］ n, in described water-absorbing resin, n is
10-60, water-absorbing resin is white-amorphous attritive powder.
As the further scheme of the present invention: described water-absorbing resin is in addition to polypropylene sodium salt system, possibly together with polyacrylic acid
At least one in salt system.
As the further scheme of the present invention: the preparation method of described modified polypropylene resin comprises the following steps:
A) weigh maleic anhydride and polypropylene, and maleic anhydride and polypropylene are 0.05-according to mass percent
20%:80-99.95%；
B) maleic anhydride and the polypropylene that step a) are obtained are extruded at double screw extruder, described double screw extruder
Head temperature is 140-150 DEG C, and district's temperature of described double screw extruder is 100-150 DEG C, described double screw extruder
Two district's temperature are 150-180 DEG C, three district's temperature 150-180 DEG C of described double screw extruder, the master of described double screw extruder
Machine rotating speed is 95r/min, is water-cooled after mixing, is dried, then uses pelleter pelletize, obtains resin compound granule；
C) the resin compound granule that described step b) obtains is dried 1-10 hour at 25-80 DEG C of air dry oven, is changed
Property acrylic resin.
As the further scheme of the present invention: in described step a), maleic anhydride and polypropylene are according to percent mass
Ratio is 0.05-10%:90-99.95%.
If in implementing the present invention, it may, using lamination method blow molding, ammonium polyphosphate modifying, water-absorbing resin and change
Property acrylic resin the melt viscosity of compositions the least or too big, ammonium polyphosphate modifying, water-absorbing resin and modified polypropene
The melt strength of the compositions of resin will be the lowest or the highest, be the most all unfavorable for spraying process molding, brush into thin
Membranaceous be drawn into lamination shape.Water-soluble or melt viscosity measures viscous with capillary tube with constant stress dark type viscometer in 25 ± 1 DEG C
Degree is counted in 230 ± 1 DEG C of mensuration.
As the further scheme of the present invention: also comprise inert additwe or inert filler.
It is a further object of the present invention to provide the preparation method of a kind of high ventilative water absorbing properties compositions, including following step
Rapid:
A) gamma-aminopropyl-triethoxy-silane coupling agent is carried out surface modification to APP, obtain ammonium polyphosphate modifying；
B) being firstly placed on water-absorbing resin in air dry oven being dried, forced air drying temperature is 70 DEG C, and the forced air drying time is 3 little
Time, then it being placed in vacuum drying oven and be dried, vacuum drying temperature is 70 DEG C, and the vacuum drying time is 3 hours, vacuum-
0.1MPa；
C) maleic anhydride is carried out surface modification to polypropylene, obtain modified polypropylene resin；
D) modification that ammonium polyphosphate modifying, step b) water-absorbing resin and the described step c) described step a) obtained obtains gathers
Allyl resin mixes 1-20 minute at 150-290 DEG C, obtains high ventilative water absorbing properties compositions；Described step a), step b) and
The not free order of step c) limits.
It is yet another object of the invention to provide the preparation method of the molded article of a kind of high ventilative water absorbing properties compositions, depend on
Secondary carry out above-mentioned height breathe freely water absorbing properties compositions preparation process in step a), step b), step c) and step d), described step
Rapid d) the most further comprising the steps of；Forming method is utilized to be breathed freely by the height obtained after step d) water absorbing properties compositions manufacture
Molded article；Described forming method be following at least one: lamination method blow molding, coextrusion casting film molding, co-extrusion
Go out that blow molding, flat board be compressing, hollow blow molding, injection moulding.
Between two above-mentioned steps, may be inserted into some and be mixed into the step of others not mentioned material in above-mentioned steps
Or in any one above-mentioned step, the material being mixed into can also include others not mentioned material in above-mentioned steps suddenly,.
The method of above-mentioned molding utilizes general extrusion equipment to be implemented with, and simple being conducive to is commercially produced.
The compositions of ammonium polyphosphate modifying, water-absorbing resin and the modified polypropylene resin prepared by said method can be with machine-shaping for holding
The molded article of the shapes such as device, thin film, flat board or tubulose, it is ventilative that this molded article can be effectively improved polymer composite
With water absorbing properties, keep that the key property of original polymer base material, processing procedure be easy, low environment pollutes, and has wide range of applications.Institute
The polymer composite stated can be aliphatic or aromatic hydrocarbon base polymer.
The compositions of the ammonium polyphosphate modifying of the present invention, water-absorbing resin and modified polypropylene resin adds man-hour in extrusion, squeezes
Going out machine screw rod can be polyethylene, polyvinyl chloride-type and isolation-type (barrier type), preferably polyvinyl chloride-type and obstruct
Type.Extruder screw rotating speed preferably 15 rpm(rpm is exactly rev/min) between 80 rpm, more preferably 20 rpm to 60 rpm it
Between.
The present invention also provides for the molded article manufactured according to above-mentioned method, and molded article can be container, thin film, flat board
Or the shapes such as tubulose.
Compared with prior art, the invention has the beneficial effects as follows:
The compositions of the present invention and the ventilative of prepared molded article and water absorbing properties tool thereof increase significantly, and have good
Mouldability and fire-retardant water-retaining property performance, higher heat distortion temperature and light stability, relative to polypropylene and modified polypropene tree
Fat all has and is markedly improved.The molded article tool prepared is effectively improved permeability and the water absorption of polymer composite
The key property of original polymer base material, processing procedure simplicity, low environment, can be kept to pollute, and have wide range of applications.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based in the present invention
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all
Belong to the scope of protection of the invention.
Embodiment 1
The modification of APP
Weigh 100 g APPs and 200g ethanol, be configured to the mixed solution that mass fraction is 50%, stir also with Glass rod
Be added thereto to glacial acetic acid regulation pH value to 3-5, then the mixed solution obtained is poured in there-necked flask, and is added thereto to 1g
Gamma-aminopropyl-triethoxy-silane coupling agent KH-550, then after put in 70 DEG C of waters bath with thermostatic control about mechanical agitation 2h, stirring speed
Rate 240rpm.By the mixed solution vacuum filtration obtained diafiltration product to filtrate close to neutrality after pour in culture dish, then will
Fill the culture dish of mixed solution to put in the air dry oven of 70 DEG C and dry to constant weight, obtain ammonium polyphosphate modifying.
It is weighed as 99.917g with electronic balance.
Embodiment 2
Water-absorbing resin is dried
Weigh 20g water-absorbing resin be firstly placed in air dry oven be dried (temperature 70 C, 3 hours time) be then placed on vacuum drying
Case is dried (temperature 70 C, 3 hours time, vacuum-0.1MPa)
It is weighed as 19.317g with electronic balance.
Embodiment 3
Maleic anhydride graft polypropylene
1. maleic anhydride 30 g, pure PP1000 g are weighed.
2. extruding with double screw extruder, the head temperature of extruder is 140 DEG C-150 DEG C, district's temperature of extruder
Be 180 DEG C, two district's temperature be 170 DEG C, three district's temperature 170 DEG C, the rotating speed of extruder main frame is 95 r/min.
3. by the extrusion products in water cooling obtained, dried after extrusion, then use pelleter pelletize, obtain maleic acid
Anhydride modification acrylic resin (PP-g-MAH)
Embodiment 4
The processing of sample and preparation
Weighing raw material by table 1 the most respectively, table 1 is the proportioning raw materials using embodiment of the present invention 1-3.
2. using banbury banburying, banburying time after component 1 being mixed is 5 min, and temperature is 165 DEG C, and moment of torsion is 7.5
Nm, rotating speed is 60 min/s.
3. after banburying, material is cooled down, then pulverize in pulverizer.
4. the material after pulverizing with vulcanizing press is pressed into thin-film sheet and sheet material respectively, and temperature is 180 DEG C, vulcanizes 8
Exit after min 30 s, then pressurize 5 min, and 3 min that finally cold pressing take out.
5. by the specification of gas permeameter, thin-film sheet is cut into 10 × 10 × 0.2 mm film sample, by water suction batten
Specification plate cutting is become 76.2 × 25.4 × 3.2 mm, often 4 samples of group.
6. component 2-7 repeats above step and carries out sample preparation.
Table 1 uses the proportioning raw materials of embodiment of the present invention 1-3 to prepare compositions
| Component | Comparative example 1 | Comparative example 2 | Embodiment 5 |
| PP | 100 | 0 | 0 |
| Ammonium polyphosphate modifying (g) | 0 | 0 | 30 |
| Water-absorbing resin (g) | 0 | 0 | 6 |
| PP-g-MAH(g) | 0 | 100 | 64 |
| Mass fraction shared by ammonium polyphosphate modifying (%) | 0 | 0 | 30 |
| Mass fraction shared by water-absorbing resin (%) | 0 | 0 | 6 |
The Air permenbility of PP and water absorption rate are respectively 163.06 cm3/m224h 0.1MPa and 0.After PP grafting MAH, PP-g-
The Air permenbility of MAH and water absorption rate are respectively 146.94 cm3/m224h 0.1MPa and 0.01%, compared with PP, Air permenbility reduces
16.12 cm3/m224h 0.1MPa, water absorption rate increases to 0.01%.When adding 30% ammonium polyphosphate modifying and 6% water suction tree
After fat, the Air permenbility of PP-g-MAH/M-APP/SAP composite and water absorption rate increase to 340.56cm respectively3/m2·24h·
0.1MPa and 0.34%, summary result can find, along with the interpolation of ammonium polyphosphate modifying and water-absorbing resin make the ventilative of PP and
Water absorbing properties has obtained the strongest raising.
Embodiment 5
Prepared by high ventilative water absorbing properties compositions
What water-absorbing resin that ammonium polyphosphate modifying embodiment 1 obtained and embodiment 2 obtain and embodiment 3 obtained changes
Property acrylic resin mixes according to the weight ratio of 30: 6:64, and the temperature of described mixing is 180 DEG C, described mixing time
Between be 5 min, obtain high ventilative water absorbing properties compositions, utilize vulcanizing press forming machine to be breathed freely by height water absorbing properties compositions
Mold about 10 × 10 × 0.2 mm thin-film sheet and 76.2 × 25.4 × 3.2 mm sheet materials.
The permeability of the present invention thin-film sheet to obtaining is measured, and surveys the water absorbing properties of the sheet material obtained
Fixed, under the conditions of 90 DEG C, dry process of weighing after sample is soaked 24 hours in water, the computing formula of relative water-intake rate is:
Relative water-intake rate=(sample mass-original sample quality after process)/original sample quality × 100%.Material gas permeable performance and
Water absorbing properties method of testing uses GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A and ASTM
Method described in D570-98, result as shown in table 2, the compositions that table 2 is the embodiment of the present invention and comparative example obtains ventilative
Performance and water absorbing properties test result.
Embodiment 6
The technical scheme using embodiment 5 prepares high ventilative water absorbing properties compositions, utilizes vulcanizing press forming machine to incite somebody to action
Acrylic resin molds about 10 × 10 × 0.2 mm thin-film sheet and 76.2 × 25.4 × 3.2 mm sheet materials.Except for the difference that,
In the present embodiment, the weight ratio of ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is 0.01: 0.01:99.98, mixed
The temperature closed is 290 DEG C, and the time of mixing is 1 minute.
Ventilative and the water absorbing properties of the present invention thin-film sheet to obtaining and sheet material is measured, material gas permeable and water absorption
Method of testing can use GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A and ASTM D570-
Method described in 98, result as shown in table 2, the compositions that table 2 is the embodiment of the present invention and comparative example obtains ventilative and inhaling
Water the performance test results.
Embodiment 7
The technical scheme using embodiment 5 prepares high ventilative water absorbing properties compositions, utilizes vulcanizing press forming machine to incite somebody to action
Acrylic resin molds about 10 × 10 × 0.2 mm thin-film sheet and 76.2 × 25.4 × 3.2 mm sheet materials, except for the difference that,
In the present embodiment, the weight ratio of ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is 25: 14:61, the temperature of mixing
Being 200 DEG C, the time of mixing is 15 minutes.
Ventilative and the water absorbing properties of the present invention thin-film sheet to obtaining and sheet material is measured, material gas permeable and water absorption
Method of testing can use GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A and ASTM D570-
Method described in 98, result as shown in table 2, the compositions that table 2 is the embodiment of the present invention and comparative example obtains ventilative and inhaling
Water the performance test results.
Embodiment 8
The technical scheme using embodiment 5 prepares high ventilative water absorbing properties compositions, utilizes vulcanizing press forming machine to incite somebody to action
Acrylic resin molds about 10 × 10 × 0.2 mm thin-film sheet and 76.2 × 25.4 × 3.2 mm sheet materials, except for the difference that,
In the present embodiment, the weight ratio of ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is 35: 18:47, the temperature of mixing
Being 250 DEG C, the time of mixing is 10 minutes.
Ventilative and the water absorbing properties of the present invention thin-film sheet to obtaining and sheet material is measured, material gas permeable and water absorption
Method of testing can use GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A and ASTM D570-
Method described in 98, result as shown in table 2, the compositions that table 2 is the embodiment of the present invention and comparative example obtains ventilative and inhaling
Water the performance test results.
Comparative example 1
Acrylic resin utilize vulcanizing press forming machine acrylic resin molds about 10 × 10 × 0.2 mm thin film
Sheet material and 76.2 × 25.4 × 3.2 mm sheet materials, by the Property requirements of material requested, described acrylic resin is CNPC
Acrylic resin (PP) S1003 of Maoming branch company of work limited company.They are breathed freely and water absorbing properties are measured,
Material gas permeable and water absorbing properties method of testing use GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS
Method described in K7126-A and ASTM D570-98, result is as shown in table 2, and table 2 obtains for the embodiment of the present invention and comparative example
The ventilative and water absorbing properties test result of compositions.
Comparative example 2
Prepared by modified polypropylene resin
The modified polypropene that embodiment 3 obtains utilize vulcanizing press forming machine mold about 10 × 10 × 0.2 mm thin
They are breathed freely and water absorbing properties are measured by film sheet and 76.2 × 25.4 × 3.2 mm sheet materials, result such as table 2 institute
Showing, material gas permeable and water absorbing properties method of testing use GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS
Method described in K7126-A and ASTM D570-98, the compositions that table 2 is the embodiment of the present invention and comparative example obtains ventilative
With water absorbing properties test result.
Comparative example 3
Prepared by nylon66 fiber, the compositions of modified polypropylene resin
The modified polypropylene resin, the nylon66 fiber that embodiment 3 are prepared carry out being mixed with nylon66 fiber, polypropylene alloy material
Material, utilizes vulcanizing press forming machine that nylon66 fiber, polypropylene alloy material are molded about 76.2 × 25.4 × 3.2 mm plates
Material, by the Property requirements of material requested.Being measured its water absorbing properties, result is as shown in table 2, and material water absorbing properties is surveyed
Method for testing uses GB 1038, ASTM D1434, ISO 2556, ISO 15105-1, JIS K7126-A and ASTM D570-98
Described method, the ventilative and water absorbing properties test result of the compositions that table 2 is the embodiment of the present invention and comparative example obtains.
The sheet material that table 2 embodiment of the present invention 5-8 and comparative example 1-2 obtain is breathed freely and water absorbing properties test result
From table 1 it can be seen that thin-film sheet and sheet material are breathed freely and water absorbing properties, the ventilative and suction of embodiment 5 composition sample
Water improve multiplying power be respectively comparative example 1 2.08 and ∞ times, be 2.31 and 34 times of comparative example 2, be comparative example 3 water suction improve
5.7 times of multiplying power.
From table 1 it can be seen that the compositions of ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is to diaphragm
Ventilative and the water absorbing properties tool of material and sheet material increases significantly, and makes to have good mouldability and fire-retardant water-retaining property performance, relatively
High heat distortion temperature and light stability, all have relative to polypropylene and modified polypropylene resin and be markedly improved.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps
Containing an independent technical scheme, this narrating mode of description is only that for clarity sake those skilled in the art should
Description can also be formed those skilled in the art through appropriately combined as an entirety, the technical scheme in each embodiment
May be appreciated other embodiments.
Claims (10)
1. one kind high ventilative water absorbing properties compositions, it is characterised in that comprise ammonium polyphosphate modifying, water-absorbing resin and modification poly-third
The compositions of olefine resin, the part by weight of described ammonium polyphosphate modifying, water-absorbing resin and modified polypropylene resin is: 0.01-
30%:0.01-30%:40-99.98%, wherein, ammonium polyphosphate modifying is by gamma-aminopropyl-triethoxy-silane coupling agent pair
APP carries out surface modification；Modified polypropylene resin is to polypropylene, maleic anhydride to be carried out surface modification and get final product.
Height the most according to claim 1 is breathed freely water absorbing properties compositions, it is characterised in that described ammonium polyphosphate modifying, suction
Water-resin and modified polypropylene resin according to mass percent be: 0.01-10%:0.01-10%:80-99.98%.
Height the most according to claim 1 is breathed freely water absorbing properties compositions, it is characterised in that described ammonium polyphosphate modifying is
Prepared by following method:
A) gamma-aminopropyl-triethoxy-silane coupling agent and APP, and gamma-aminopropyl-triethoxy-silane coupling agent are weighed
It is 0.01-15%:85-99.99% with APP according to mass percent；
B) the gamma-aminopropyl-triethoxy-silane coupling agent and the APP that are obtained by step a) mix 1-10 at 25 DEG C-80 DEG C
Hour, obtain mixture；
C) described mixture is dried 1-10 hour at 25-80 DEG C of air dry oven, obtains ammonium polyphosphate modifying.
Height the most according to claim 3 is breathed freely water absorbing properties compositions, it is characterised in that γ-ammonia in described step a)
Propyl-triethoxysilicane coupling agent and APP are 0.01-10%:90-99.99% according to mass percent.
Height the most according to claim 3 is breathed freely water absorbing properties compositions, it is characterised in that described APP is poly-phosphorus
Hydrochlorate contains a kind of mineral of nitrogen, phosphorus, the chemical molecular skeleton symbol of described APP: (NH4)(n+2)PnO(3n+1), described poly-phosphorus
In acid ammonium, n is 10-50, and APP is white crystals or amorphous fine powder.
Height the most according to claim 1 is breathed freely water absorbing properties compositions, it is characterised in that described water-absorbing resin is poly-third
Olefin(e) acid ester sodium salt system, a kind of mineral containing sodium in described water-absorbing resin, the chemical molecular skeleton symbol of described water-absorbing resin:
[C3H3O2Na] n, in described water-absorbing resin, n is 10-60, and water-absorbing resin is white-amorphous attritive powder.
Height the most according to claim 1 is breathed freely water absorbing properties compositions, it is characterised in that described modified polypropylene resin
Preparation method comprise the following steps:
A) weigh maleic anhydride and polypropylene, and maleic anhydride and polypropylene are 0.05-according to mass percent
20%:80-99.95%；
B) maleic anhydride and the polypropylene that are obtained by step a) are extruded at double screw extruder, described double screw extruder
Head temperature is 140-150 DEG C, and district's temperature of described double screw extruder is 100-150 DEG C, described double screw extruder
Two district's temperature are 150-180 DEG C, three district's temperature 150-180 DEG C of described double screw extruder, the master of described double screw extruder
Machine rotating speed is 95r/min, is water-cooled after mixing, is dried, then uses pelleter pelletize, obtains resin compound granule；
C) the resin compound granule that described step b) obtains is dried 1-10 hour at 25-80 DEG C of air dry oven, is changed
Property acrylic resin.
Height the most according to claim 7 is breathed freely water absorbing properties compositions, it is characterised in that maleic in described step a)
Dicarboxylic anhydride and polypropylene are 0.05-10%:90-99.95% according to mass percent.
Height the most according to claim 1 is breathed freely water absorbing properties compositions, it is characterised in that also comprise inert additwe or
Inert filler.
10. the height as described in claim 1-9 is arbitrary is breathed freely the preparation method of water absorbing properties compositions, it is characterised in that
Comprise the following steps:
A) gamma-aminopropyl-triethoxy-silane coupling agent is carried out surface modification to APP, obtain ammonium polyphosphate modifying；
B) being firstly placed on water-absorbing resin in air dry oven being dried, forced air drying temperature is 70 DEG C, and the forced air drying time is 3 little
Time, then it being placed in vacuum drying oven and be dried, vacuum drying temperature is 70 DEG C, and the vacuum drying time is 3 hours, vacuum-
0.1MPa；
C) maleic anhydride is carried out surface modification to polypropylene, obtain modified polypropylene resin；
D) modification poly-third that ammonium polyphosphate modifying, step b) water-absorbing resin and the described step c) obtained by described step a) obtains
Olefine resin mixes 1-20 minute at 150-290 DEG C, obtains high ventilative water absorbing properties compositions；Described step a), step b) and step
Rapid c) not free order limits.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566165A (en) * | 2016-10-19 | 2017-04-19 | 湖北大学 | High-toughness flame-retardant composition and preparation method thereof |
| CN107163310A (en) * | 2017-06-07 | 2017-09-15 | 常州苏达欧包装材料有限公司 | A kind of halogen-free fireproof rubber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007050000A1 (en) * | 2005-10-26 | 2007-05-03 | Industrial Property Of Scandinavia Ab | Fire-resistant composition for coating, sealing and protection purposes |
| US7851559B2 (en) * | 2007-11-13 | 2010-12-14 | Teknor Apex Company | Soft zero halogen flame retardant thermoplastic elastomers |
| CN103044762A (en) * | 2012-12-06 | 2013-04-17 | 上海日之升新技术发展有限公司 | Mineral reinforced halogen-free flame-retardant polypropylene composite material and preparation method thereof |
| CN104043419A (en) * | 2014-06-26 | 2014-09-17 | 青岛国航祥玉技术服务有限公司 | Environment-friendly material for adsorbing tap water |
| CN104650525A (en) * | 2015-02-04 | 2015-05-27 | 苏州康华净化***工程有限公司 | Scratch-resistant ABS material and preparation method thereof |
| CN105271462A (en) * | 2015-10-29 | 2016-01-27 | 王璐 | Industrial wastewater adsorbing agent |
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2016
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106566165A (en) * | 2016-10-19 | 2017-04-19 | 湖北大学 | High-toughness flame-retardant composition and preparation method thereof |
| CN106566165B (en) * | 2016-10-19 | 2019-10-18 | 湖北大学 | A kind of high tenacity fire-retardant combination and preparation method thereof |
| CN107163310A (en) * | 2017-06-07 | 2017-09-15 | 常州苏达欧包装材料有限公司 | A kind of halogen-free fireproof rubber and preparation method thereof |
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