CN108627455A - A kind of test method of thermoplasticity spacer bar and outer course glue sticking performance - Google Patents
A kind of test method of thermoplasticity spacer bar and outer course glue sticking performance Download PDFInfo
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- CN108627455A CN108627455A CN201810381085.0A CN201810381085A CN108627455A CN 108627455 A CN108627455 A CN 108627455A CN 201810381085 A CN201810381085 A CN 201810381085A CN 108627455 A CN108627455 A CN 108627455A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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Abstract
The present invention provides the test methods of a kind of thermoplasticity spacer bar and outer course glue sticking performance, including provide a sample, and the sample is stretched in the case where marking condition, the damage area of the adhesive surface of the sample after detection stretches；And the sample is stretched under conditions of high/low temperature alternation and long term high temperature after aging, the damage area of the adhesive surface of the sample after detection stretches；The damage area of adhesive surface described in above-mentioned detection shows that the thermoplasticity spacer bar and the adhesive property of the outer course glue are met the requirements no more than 5%.The test method of an embodiment through the invention can accurately judge that thermoplasticity warms up the bond effect of side spacer bar and outer course glue, reduce thermoplasticity and warm up side hollow glass and occur that adhesive tape is sagging in use, influence service life and beautiful phenomenon.
Description
Technical field
The present invention relates to the test of fluid sealant adhesive property, specially a kind of thermoplasticity spacer bar and outer course glue sticking performance
Test method.
Background technology
Hollow glass has obtained long-range development as new energy-saving material after introducing China from the eighties in last century,
It is widely used in the numerous areas such as utilities building, civil buildings.At present in more than 400 hundred million square metres of China existing building, also
90% or more belongs to high energy consumption building.In these high energy consumptions building, the energy consumption of door and window is 45%~50%, accounts for social total energy consumption
20%.Therefore, the thermal and insulating performance for enhancing door and window reduces the energy consumption of door and window, is to improve indoor thermal environment and improve to build
Energy-efficient important link, and be wherein increasingly taken seriously by the energy loss of glass reduction.Therefore building doors and windows is reduced
Energy consumption, it is crucial to develop novel hollow glass edge separation seal material, and the performance of spacer system directly determines hollow glass
Energy saving and service life.
For improve hollow glass peripheral portion thermal resistance it is too small, be easy moisture condensation frosting the phenomenon that, research direction concentrates on being spaced
In the hot property of system intermediate parting strips material and interval strip.The result shows that being passed using the lower material substitution of thermal coefficient
The aluminum spacer bar of system can make inner layer glass peripheral temperature higher than in the past, avoid the moisture condensation of inner layer glass edge.Therefore, it leads
The small a variety of materials of hot coefficient and variously-shaped spacer bar are largely developed, and Warm edge technology occur." warm side " is logical
The thermal coefficient or section heat flux that thermal coefficient is referred to less than aluminum metal spacer bar are less than between those of aluminum groove spacer bar
Parting bead, it is meant that heat conduction is reduced, that is, is reduced from the high one end of the temperature of a certain material to the heat of one section of low movement.It is common
Warm side spacer bar have real only high adhesive tape (including aluminium strip), U-shaped spacer bar (stainless steel), glass fibre spacer bar and super interval
Item.But contain metal component in real only high adhesive tape and U-shaped spacer bar, it is nothing like thermoplasticity in terms of improving thermal coefficient
Spacer bar, therefore energy-saving effect is further increased, it must just use low emissivity glass, argon gas and high-performance spacer bar (thermoplastic
Property spacer bar).
Thermoplasticity spacer bar integrates butyl sealant, drier and aluminium spacer bar function, and the coefficient of heat conduction is compared with aluminium
The heat transfer coefficient of formula spacer bar is low, can preferably play the role of energy-saving and environment-friendly, while thermoplasticity spacer bar is integrally formed
The triviality for reducing aluminum groove hollow glass making, uses more convenient.But after aluminum groove hollow glass is made, Gu
Change type outer course glue is that three faces bond with spacer system and glass, can ensure the using effect and beauty of hollow glass in this way,
Therefore the warm side spacer bar of thermoplasticity is good with curing type outer course gluing knot in application, realizes thermoplasticity spacer bar and curing type
Three faces of outer course glue bond, and are just avoided that thermoplasticity spacer bar occurs sagging and hollow glass is caused to lose in use in this way
Effect and the phenomenon for influencing beauty.The test method without standard verifies thermoplasticity spacer bar and curing type outer course glue currently on the market
Adhesive property, but adhesive property is affected to the later stage performance of hollow glass.
Invention content
A primary object of the present invention is to provide a kind of test side of thermoplasticity spacer bar and outer course glue sticking performance
Method, including：
A sample is provided, the sample includes the thermoplasticity spacer bar and the outer course glue, the thermoplasticity spacer bar
It is adhered to the outer course glue, adhesive surface is formed between the thermoplasticity spacer bar and the outer course glue；
The sample is stretched under conditions of temperature (23 ± 2) DEG C, humidity (50 ± 5) %, institute after detection stretches
State the damage area of the adhesive surface of sample；And
The sample is stretched under conditions of high/low temperature alternation and long term high temperature after aging, detection is described after stretching
The damage area of the adhesive surface of sample；
The damage area of adhesive surface described in above-mentioned detection show no more than 5% the thermoplasticity spacer bar with it is described outer
The adhesive property of road glue is met the requirements；
Wherein, the high/low temperature alternation refers to that it is one to rise to (53 ± 1) DEG C to be down to (- 18 ± 2) DEG C again from (- 18 ± 2) DEG C
Cycle undergoes 28~56 cycles altogether；The long term high temperature is the environment for being more than 95% in temperature (58 ± 1) DEG C, relative humidity
It is kept for 4~7 weeks.
According to an embodiment of the present invention, the test method further include within the scope of specific temperature to the sample into
Aging extension test, the specific temperature range are -40~90 DEG C to row at least once.
According to an embodiment of the present invention, the extension test at least once includes by the sample in (80 ± 3) DEG C
At a temperature of carry out aging stretching, detection stretch after the sample adhesive surface damage area, the damage area of the adhesive surface
It is qualification no more than 5%.
According to an embodiment of the present invention, the extension test at least once includes by the sample in (- 40 ± 3) DEG C
At a temperature of carry out aging stretching, detection stretch after the sample adhesive surface damage area, the damage area of the adhesive surface
It is qualification no more than 5%.
According to an embodiment of the present invention, the test method further include by the sample under the conditions of ultraviolet light irradiation into
Row aging stretches, and the damage area of the damage area of the adhesive surface of the sample after detection stretches, the adhesive surface is no more than 5%
For qualification.
According to an embodiment of the present invention, the wavelength of the ultraviolet light is 315nm~380nm.
According to an embodiment of the present invention, the warming and cooling rate of the high/low temperature alternation is (14 ± 2) DEG C/h.
According to an embodiment of the present invention, the outer course glue is selected from silicone sealant, polysulfide sealant and polyurethane seal
It is one or more in glue.
According to an embodiment of the present invention, the sample includes glass plate, thermoplasticity spacer bar, outer course glue and aluminium sheet；Its
In, thermoplasticity spacer bar is set on the glass plate, and outer course glue is set on the thermoplasticity spacer bar, and aluminium sheet is set to institute
It states on outer course glue.
According to an embodiment of the present invention, the vertical section of the sample is in I-shaped.
The test method of an embodiment through the invention can accurately judge that thermoplasticity warms up side spacer bar and outer course
The bond effect of glue reduces thermoplasticity and warms up side hollow glass to occur adhesive tape in use sagging, influences service life and U.S.
The phenomenon that sight.
Description of the drawings
Fig. 1 is the knot for thermoplasticity spacer bar and the sample of outer course glue sticking performance test of an embodiment of the present invention
Structure schematic diagram.
Specific implementation mode
Embodying the exemplary embodiments of inventive features and advantage will describe in detail in the following description.It should be understood that this hair
It is bright to have various variations in different embodiments, it neither departs from the scope of the present invention, and description therein is at this
It is to be illustrated as being used in matter, rather than to limit the present invention.
An embodiment of the present invention provides a kind of thermoplasticity spacer bar or thermoplasticity warms up side spacer bar and outer course gluing
The test method for tying performance, can the bonding for verifying thermoplasticity spacer bar and curing type outer course glue qualified, to meet warm side
The requirement of hollow glass.
The thermoplasticity spacer bar of an embodiment of the present invention and the test method of outer course glue sticking performance include：
One sample is provided, the sample includes thermoplasticity spacer bar and outer course glue, and thermoplasticity spacer bar is adhered to outer course glue,
Thus adhesive surface is formed between thermoplasticity spacer bar and outer course glue；
Sample is stretched under conditions of temperature (23 ± 2) DEG C, humidity (50 ± 5) %, sample after detection stretches
The damage area of adhesive surface, if the damage area of adhesive surface is no more than 5% for qualification；And
Sample is stretched under conditions of high/low temperature alternation and long term high temperature after aging, sample is viscous after detection stretches
The damage area of the damage area of junction, adhesive surface is no more than 5% for qualification.
In summary stretch-bonded result that can be to thermoplasticity warm up the bond effect of side spacer bar and curing type outer course glue into
Row judges that if in above two extension test, the damage area of adhesive surface is no more than 5%, then between showing that thermoplasticity warms up side
The bond effect of parting bead and curing type outer course glue is good.
In an embodiment of the present invention, it may additionally include within the scope of specific temperature and one or many drawings carried out to sample
Test is stretched, which can be -40~90 DEG C.
In an embodiment of the present invention, by the sample conserved in high temperature, such as at a temperature of (80 ± 3) DEG C after aging
It is stretched, investigates the destruction situation of sample adhesive surface, the damage area of sample adhesive surface is as a result required to be no more than 5% to close
Lattice, wherein standing time can be for 24 hours.
In an embodiment of the present invention, by the sample conserved in low temperature, such as aging at a temperature of (- 40 ± 3) DEG C
After stretched, investigate sample adhesive surface destruction situation, as a result require sample adhesive surface damage area be no more than 5% for close
Lattice, wherein standing time can be for 24 hours.
In an embodiment of the present invention, the sample conserved is placed under the conditions of ultraviolet irradiation after aging and is drawn again
It stretches, investigates the destruction situation of sample adhesive surface, the damage area of sample adhesive surface is as a result required to be no more than 5% for qualification.Wherein,
The equipment of ultraviolet irradiation can be ultraviolet lamp, mercury lamp or same lamps and lanterns；Light source power can be 300W, wave-length coverage
315nm~380nm, irradiation intensity >=40W/m2；Chamber temperature control is in (50 ± 3) DEG C；Sample can at a distance from light source
Think that 300mm, standing time can be 168h.
In an embodiment of the present invention, the experimental condition of high/low temperature alternation can be：28~56 cycles, every 12 hours
For a temperature cycles, for temperature from (- 18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate is (14 ± 2) DEG C/h；Long term high temperature is old
The experimental condition of change can be：Temperature is kept for 4~7 weeks in the environment temperature of (58 ± 1) DEG C, relative humidity more than 95%.
In an embodiment of the present invention, multiple samples are can use when stretching detection every time, such as 5 samples are stretched,
As a result the destruction situation for investigating each sample adhesive surface requires the damage area of each sample adhesive surface to be no more than 5% for qualification.
The test method of an embodiment of the present invention is examined by the making of thermoplasticity spacer bar and outer course glue drum sample
It examines hot in sample after standard conditions, high temperature, low temperature, ultraviolet irradiation and the environmental agings such as high/low temperature alternation and long term high temperature aging
The bond effect of plasticity spacer bar and curing type outer course glue, to judge thermoplasticity spacer bar and the mating making of curing type outer course glue
Hollow glass service life.
As shown in Figure 1, the sample of an embodiment of the present invention includes glass plate 1, thermoplasticity spacer bar 2, outer course glue 3 and aluminium
Plate 4, wherein thermoplasticity spacer bar 2 is set on glass plate 1, and outer course glue 3 is set on thermoplasticity spacer bar 2, and aluminium sheet 4 is arranged
In on outer course glue 3.
In an embodiment of the present invention, the length of glass plate 1 and aluminium sheet 4 transversely is more than thermoplasticity spacer bar 2 and outside
Road glue 3 so that the vertical section of sample is substantially in I-shaped.
In an embodiment of the present invention, the manufacturing process of the sample for test can be：Thermoplasticity spacer bar 2 is made
At required size, thermoplasticity spacer bar 2 includes first surface and the second surface that is oppositely arranged with first surface, by the
One surface is adhered on glass plate 1；Outer course glue 3 is stamped in the second surface of thermoplasticity spacer bar 2, outer course glue 3 is curing type glue,
Such as can be silicone sealant, polysulfide sealant, polyurethane sealant etc.；3 side of outer course glue is viscous with 2 phase of thermoplasticity spacer bar
It connects, the other side is mutually Nian Jie with aluminium sheet 4.It, can be by it in mark condition (temperature (23 ± 2) DEG C, humidity (50 ± 5) %) after sample is made
Under conserved so that outer course adhesive curing is complete, and burn-in test is carried out after maintenance.
In the following, in conjunction with specific embodiments to the thermoplasticity spacer bar of an embodiment of the present invention and outer course glue sticking performance
Test method is described further.Wherein, the testing equipment for being used for extension test is electronic universal tester, and range should not be small
In 5KN, scale division value 0.01N, allowable error is≤1.00, tensile speed 5mm/min.
Embodiment 1
First by MF910SG hollow glasses thermoplasticity spacer bar (high-tech limited liability company of Lander is thought by Zhongyuan (Zhengzhou)) system
At the drum sample of semi-finished product, then by MF881-25HM structural silicone adhesives, (the limited public affairs of Lander's high-tech share are thought by Zhongyuan (Zhengzhou)
Department), MF881 structural silicone adhesives (Zhongyuan (Zhengzhou) think Lander high-tech limited liability company), country 1#, country 2# and foreign countries 1# distinguish
Coated in outer course glue is used as on thermoplasticity spacer bar, final be made tests required drum sample, and the drum sample that will be made
The sample under mark condition being conserved, while having been conserved is placed in mark condition, high temperature (80 ± 3) DEG C, low temperature (- 40 ± 3) DEG C, high/low temperature
It is handled under the conditions of alternation and long term high temperature and ultraviolet irradiation [(50 ± 3) DEG C processing 168h], investigates it in each aging item
Adhesive property under part, specific test result are shown in Table 1.
Wherein, the experimental condition of high/low temperature alternation is：56 cycle, every 12 hours be a temperature cycles, temperature from (-
18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate are (14 ± 2) DEG C/h；The experimental condition of long term high temperature aging is：Temperature (58
± 1) it DEG C, is kept for 7 weeks in environment of the relative humidity more than 95%.
The key component of the domestic 1# glue of the present embodiment is：Alkyl-blocked dimethyl silicone polymer, three ethoxy of vinyl
Base silane, pentaerythritol tetraacrylate, calcium carbonate etc.；
The key component of domestic 2# glue is：Hydroxy-end capped dimethyl silicone polymer, γ-glycidyl ether propyl front three
Oxysilane, dibutyl tin laurate, calcium carbonate, silicon powder etc.；
The key component of external 1# glue is：Hydroxy-end capped dimethyl silicone polymer, alkyl-blocked polydimethylsiloxanes
Alkane, activated Calcium carbonate, fatty glyceride, γ aminopropyltriethoxy silane, crosslinking agent, catalyst etc..
1 MF910SG of table and drafting results table of the made drum sample of silicone outer course glue under each aging condition
As shown in Table 1, MF910SG hollow glasses thermoplasticity spacer bar and MF881-25HM structural silicone adhesives, MF881 silicon
Stretch-bonded performance of the drum sample under each aging condition is preferable made of ketone structure glue, country 1# and foreign countries 1#, but
Be domestic 2# products stretch-bonded performance it is poor under the conditions of low temperature and high/low temperature alternation, damage area cannot be met and be not more than
5% test requirements document.
Embodiment 2
First by MF910S hollow glasses thermoplasticity spacer bar (high-tech limited liability company of Lander is thought by Zhongyuan (Zhengzhou)) system
At the drum sample of semi-finished product, then by MF840 bi-component polysulfide hollow glasses special seal gum, (Lander's high-tech is thought by Zhongyuan (Zhengzhou)
Limited liability company), (Lander high-tech stock is thought to MF840 bi-component polysulfide hollow glass special seal gums (high-modulus) by Zhongyuan (Zhengzhou)
Part Co., Ltd), country 1#, foreign countries 1# and foreign countries 2# be respectively applied on thermoplasticity spacer bar as outer course glue, it is finally obtained
Drum sample needed for experiment, and the drum sample made is placed on the sample under mark condition conserving, while having conserved and is being marked
Condition, high temperature (80 ± 3) DEG C, low temperature (- 40 ± 3) DEG C, high/low temperature alternation and long term high temperature and ultraviolet irradiation [(50 ± 3) DEG C processing
168h] under the conditions of handled, investigate its adhesive property under each aging condition, specific test result is shown in Table 2.
Wherein, the experimental condition of high/low temperature alternation is：56 cycle, every 12 hours be a temperature cycles, temperature from (-
18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate are (14 ± 2) DEG C/h；The experimental condition of long term high temperature aging is：Temperature (58
± 1) it DEG C, is kept for 7 weeks in environment of the relative humidity more than 95%.
The key component of the domestic 1# glue of the present embodiment is：Liquid polysulphide rubber, dibutyl phthalate, calcium carbonate,
γ-glycidoxypropyltrimethoxysilane alkane, semi-reinforcing agent carbon black, zinc oxide etc.；
The key component of external 1# glue is：Liquid polysulphide rubber, dioctyl phthalate, calcium carbonate, gamma-amino propyl
Triethoxysilane, semi-reinforcing agent carbon black, zinc dimethyl dithiocarbamate etc.；
The key component of external 2# glue is：Liquid polysulphide rubber, dibutyl phthalate, calcium carbonate, auxiliary agent small molecule
Inorganic agent, γ aminopropyltriethoxy silane, semi-reinforcing agent carbon black, magnesia etc..
2 MF910S of table and drafting results table of the polysulfide outer course glue drum sample under each aging condition
As shown in Table 2, MF910S hollow glasses thermoplasticity spacer bar and MF840 bi-component polysulfide hollow glasses are special close
Drum sample made of sealing, MF840 bi-component polysulfide hollow glass special seal gums (high-modulus) and foreign countries 1# is each old
Stretch-bonded performance under the conditions of change is preferable, but drum sample made of country 1# and foreign countries 2# is in low temperature and high/low temperature alternation
Under the conditions of cannot meet the requirements.
Embodiment 3
First by MF910SG hollow glasses thermoplasticity spacer bar (high-tech limited liability company of Lander is thought by Zhongyuan (Zhengzhou)) system
At the drum sample of semi-finished product, then by MF612 two component polyurethanes adhesive glue, (the limited public affairs of Lander's high-tech share are thought by Zhongyuan (Zhengzhou)
Department), country 1#, country 2# and foreign countries 1# be respectively applied on thermoplasticity spacer bar and be used as outer course glue, finally it is obtained test needed for
Drum sample, and the drum sample made is placed on the sample that conserves, while conserve under mark condition and is marking condition, high temperature
(80 ± 3) DEG C, low temperature (- 40 ± 3) DEG C, high/low temperature alternation and long term high temperature and ultraviolet irradiation [(50 ± 3) DEG C processing 168h] item
It is handled under part, investigates its adhesive property under each aging condition, specific test result is shown in Table 3.
Wherein, the experimental condition of high/low temperature alternation is：56 cycle, every 12 hours be a temperature cycles, temperature from (-
18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate are (14 ± 2) DEG C/h；The experimental condition of long term high temperature aging is：Temperature (58
± 1) it DEG C, is kept for 7 weeks in environment of the relative humidity more than 95%.
The key component of the domestic 1# glue of the present embodiment is：Polyurethane, aluminium powder, dibutyl phthalate, butyl acetate,
Calcium carbonate, carbon black, triethylene diamine etc.；
The key component of domestic 2# glue is：Polyurethane, aluminium powder, dioctyl phthalate, butyl acetate, calcium carbonate, charcoal
Black, dibutyl tin laurate etc.；
The key component of external 1# glue is：Polyurethane, aluminium powder, dibutyl phthalate, butyl acetate, calcium carbonate, charcoal
Black, stannous octoate, calcium oxide etc..
3 MF910SG of table and drafting results table of the polyurethane outer course glue drum sample under each aging condition
As shown in Table 3, MF910SG hollow glasses thermoplasticity spacer bar and MF612 two component polyurethanes adhesive glue, the country
Stretch-bonded performance of the drum sample under each aging condition is preferable made of 1# and foreign countries 1#, but work made of country 2#
Type sample cannot be met the requirements under the conditions of high/low temperature alternation.
Embodiment 4
First by MF910SG hollow glasses thermoplasticity spacer bar (high-tech limited liability company of Lander is thought by Zhongyuan (Zhengzhou)) system
At the drum sample of semi-finished product, then by MF881-25HM structural silicone adhesives, (the limited public affairs of Lander's high-tech share are thought by Zhongyuan (Zhengzhou)
Department), MF881 structural silicone adhesives (Zhongyuan (Zhengzhou) think Lander high-tech limited liability company), country 1#, country 2# and foreign countries 1# distinguish
Coated in outer course glue is used as on thermoplasticity spacer bar, final be made tests required drum sample, and the drum sample that will be made
The sample under mark condition being conserved, while having been conserved is placed in mark condition, high temperature (80 ± 3) DEG C, low temperature (- 40 ± 3) DEG C, high/low temperature
It is handled under the conditions of alternation and long term high temperature and ultraviolet irradiation [(50 ± 3) DEG C processing 168h], investigates it in each aging item
Adhesive property under part, specific test result are shown in Table 4.
Wherein, the experimental condition of high/low temperature alternation is：28 cycle, every 12 hours be a temperature cycles, temperature from (-
18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate are (14 ± 2) DEG C/h；The experimental condition of long term high temperature aging is：Temperature (58
± 1) it DEG C, is kept for 4 weeks in environment of the relative humidity more than 95%.
The key component of the domestic 1# glue of the present embodiment is：Alkyl-blocked dimethyl silicone polymer, three ethoxy of vinyl
Base silane, pentaerythritol tetraacrylate, calcium carbonate etc.；
The key component of domestic 2# glue is：Hydroxy-end capped dimethyl silicone polymer, γ-glycidyl ether propyl front three
Oxysilane, dibutyl tin laurate, calcium carbonate, silicon powder etc.；
The key component of external 1# glue is：Hydroxy-end capped dimethyl silicone polymer, alkyl-blocked polydimethylsiloxanes
Alkane, activated Calcium carbonate, fatty glyceride, γ aminopropyltriethoxy silane, crosslinking agent, catalyst etc..
Table 4MF910SG and drafting results table of the made drum sample of silicone outer course glue under each aging condition
As shown in Table 4, MF910SG hollow glasses thermoplasticity spacer bar and MF881-25HM structural silicone adhesives, MF881 silicon
Stretch-bonded performance of the drum sample under each aging condition is preferable made of ketone structure glue, country 1# and foreign countries 1#, but
Be domestic 2# products stretch-bonded performance it is poor under the conditions of low temperature and high/low temperature alternation, damage area cannot be met and be not more than
5% test requirements document.
Embodiment 5
First by MF910SG hollow glasses thermoplasticity spacer bar (high-tech limited liability company of Lander is thought by Zhongyuan (Zhengzhou)) system
At the drum sample of semi-finished product, then by MF881-25HM structural silicone adhesives, (the limited public affairs of Lander's high-tech share are thought by Zhongyuan (Zhengzhou)
Department), MF881 structural silicone adhesives (Zhongyuan (Zhengzhou) think Lander high-tech limited liability company), country 1#, country 2# and foreign countries 1# distinguish
Coated in outer course glue is used as on thermoplasticity spacer bar, final be made tests required drum sample, and the drum sample that will be made
The sample under mark condition being conserved, while having been conserved is placed in mark condition, high temperature (50 ± 3) DEG C, low temperature (- 20 ± 3) DEG C, high/low temperature
It is handled under the conditions of alternation and long term high temperature and ultraviolet irradiation [(50 ± 3) DEG C processing 168h], investigates it in each aging item
Adhesive property under part, specific test result are shown in Table 5.
Wherein, the experimental condition of high/low temperature alternation is：56 cycle, every 12 hours be a temperature cycles, temperature from (-
18 ± 2) DEG C~(53 ± 1) DEG C, warming and cooling rate are (14 ± 2) DEG C/h；The experimental condition of long term high temperature aging is：Temperature (58
± 1) it DEG C, is kept for 7 weeks in environment of the relative humidity more than 95%.
The key component of the domestic 1# glue of the present embodiment is：Alkyl-blocked dimethyl silicone polymer, three ethoxy of vinyl
Base silane, pentaerythritol tetraacrylate, calcium carbonate etc.；
The key component of domestic 2# glue is：Hydroxy-end capped dimethyl silicone polymer, γ-glycidyl ether propyl front three
Oxysilane, dibutyl tin laurate, calcium carbonate, silicon powder etc.；
The key component of external 1# glue is：Hydroxy-end capped dimethyl silicone polymer, alkyl-blocked polydimethylsiloxanes
Alkane, activated Calcium carbonate, fatty glyceride, γ aminopropyltriethoxy silane, crosslinking agent, catalyst etc..
5 MF910SG of table and drafting results table of the made drum sample of silicone outer course glue under each aging condition
As shown in Table 5, MF910SG hollow glasses thermoplasticity spacer bar and MF881-25HM structural silicone adhesives, MF881 silicon
Stretch-bonded performance of the drum sample under each aging condition is preferable made of ketone structure glue, country 1# and foreign countries 1#, but
Be domestic 2# products stretch-bonded performance it is poor under the conditions of low temperature and high/low temperature alternation, damage area cannot be met and be not more than
5% test requirements document.
Unless limited otherwise, term used herein is the normally understood meaning of those skilled in the art.
Embodiment described in the invention is merely for exemplary purpose, not to limit the scope of the invention,
Those skilled in the art can be made within the scope of the invention various other replacements, changes and improvements, thus, the present invention is not limited to
The above embodiment, and be only defined by the claims.
Claims (10)
1. the test method of a kind of thermoplasticity spacer bar and outer course glue sticking performance, including：
A sample is provided, the sample includes the thermoplasticity spacer bar and the outer course glue, the thermoplasticity spacer bar bonding
In the outer course glue, adhesive surface is formed between the thermoplasticity spacer bar and the outer course glue；
The sample is stretched under conditions of temperature (23 ± 2) DEG C, humidity (50 ± 5) %, the examination after detection stretches
The damage area of the adhesive surface of sample；And
The sample is stretched under conditions of high/low temperature alternation and long term high temperature after aging, the sample after detection stretches
Adhesive surface damage area；
The damage area of adhesive surface described in above-mentioned detection shows the thermoplasticity spacer bar and the outer course glue no more than 5%
Adhesive property meet the requirements；
Wherein, the high/low temperature alternation refers to, rises to (53 ± 1) DEG C from (- 18 ± 2) DEG C and is down to (- 18 ± 2) DEG C again and is followed for one
Ring undergoes 28~56 cycles altogether；The long term high temperature is in the environment of temperature (58 ± 1) DEG C, relative humidity more than 95%
It is kept for 4~7 weeks.
2. according to the method described in claim 1, wherein further including being carried out at least to the sample within the scope of specific temperature
Aging extension test, the specific temperature range are -40~90 DEG C.
3. according to the method described in claim 2, the wherein described extension test at least once includes by the sample in (80 ± 3)
Aging stretching is carried out at a temperature of DEG C, the damage area of the adhesive surface of the sample, the destruction of the adhesive surface after detection stretches
Area is no more than 5% for qualification.
4. according to the method described in claim 2, the wherein described extension test at least once include by the sample (- 40 ±
DEG C 3) aging stretching is carried out at a temperature of, the damage area of the adhesive surface of the sample after detection stretches, the adhesive surface it is broken
Bad area is no more than 5% for qualification.
5. method according to claim 1 to 4, wherein further including by the sample in ultraviolet light irradiation condition
Lower progress aging stretching, the damage area of the adhesive surface of the sample, the damage area of the adhesive surface do not surpass after detection stretches
5% is crossed as qualification.
6. according to the method described in claim 5, the wavelength of the wherein described ultraviolet light is 315nm~380nm.
7. according to the method described in claim 1, the warming and cooling rate of the wherein described high/low temperature alternation is (14 ± 2) DEG C/h.
8. according to the method described in claim 1, the wherein described outer course glue is selected from silicone sealant, polysulfide sealant and polyurethane
It is one or more in fluid sealant.
9. according to the method described in claim 1, the wherein described sample includes：
Glass plate；
Thermoplasticity spacer bar is set on the glass plate；
Outer course glue is set on the thermoplasticity spacer bar；And
Aluminium sheet is set on the outer course glue.
10. according to the method described in claim 9, the vertical section of the sample is in I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113533083A (en) * | 2021-05-31 | 2021-10-22 | 山东东宏管业股份有限公司 | Method for judging shearing strength of composite layer of pipe |
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| CN113533083A (en) * | 2021-05-31 | 2021-10-22 | 山东东宏管业股份有限公司 | Method for judging shearing strength of composite layer of pipe |
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