CN104215574A - Method for detecting adhesive property of hollow glass external sealant - Google Patents

Method for detecting adhesive property of hollow glass external sealant Download PDF

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Publication number
CN104215574A
CN104215574A CN201410440762.3A CN201410440762A CN104215574A CN 104215574 A CN104215574 A CN 104215574A CN 201410440762 A CN201410440762 A CN 201410440762A CN 104215574 A CN104215574 A CN 104215574A
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CN
China
Prior art keywords
double glazing
fluid sealant
course fluid
course
adhesive property
Prior art date
Application number
CN201410440762.3A
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Chinese (zh)
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CN104215574B (en
Inventor
吴懿
卢延东
洪凤超
司友标
王全法
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厦门市工程检测中心有限公司
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Publication of CN104215574A publication Critical patent/CN104215574A/en
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Publication of CN104215574B publication Critical patent/CN104215574B/en

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Abstract

The invention discloses a method for detecting the adhesive property of a hollow glass external sealant. The thickness, the width and the length of the external sealant are respectively W0, average value B and L. The method comprises the following steps: (1) respectively bonding secondary frames on two symmetrical sides of the upper surface and the lower surface of the hollow glass by using a binder; (2) distributing four hydraulic jack devices at four corners of the hollow glass, wherein the hydraulic jack devices comprise hydraulic synchronous jacks, an upper beam and a lower beam; the upper beam is connected with the secondary frame on the upper surface of the hollow glass; and the lower beam is connected with the secondary frame on the lower surface of the hollow glass; (3) simultaneously pressurizing the four hydraulic synchronous jacks by using booster pumps with digital display oil pressure gauges, and when the numerical values of the digital display oil pressure gauges are not increased again, recording the load values F; and (4) pressurizing again, and measuring the tensile elongation W1 of the external sealant when the numerical values of the digital display oil pressure gauges begin to descend, calculating the tensile strength according to the formula as shown in the specification, and calculating the strain according to the formula as shown in the specification. According to the detection method, the adhesive property of the hollow glass external sealant of the finished product can be accurately detected, and the operation is simple.

Description

A kind of double glazing outer course fluid sealant adhesive property detection method

Technical field

The present invention relates to a kind of fluid sealant adhesive property detection method, particularly relate to a kind of double glazing outer course fluid sealant adhesive property detection method.

Background technology

The double glazing used in curtain wall door and window engineering, its outer course fluid sealant is aging due to the increase of Exposure to Sunlight, tenure of use, thus affect double glazing safe application performance, Xiamen area has occurred a lot of because curtain wall is aging with double glazing outer course fluid sealant, causes double glazing outer plate falling accident; But existing double glazing outer course fluid sealant adhesive property detection method, the testing laboratory sample preparation being only limited to non-finished product fluid sealant detects, inapplicable to the double glazing outer course fluid sealant of finished product.The safe application performance authenticate technology of curtain wall door and window double glazing, key detects finished product fluid sealant adhesive property, and it not only depends on the pulling strengrth of structure glue self, also depends on bonding surface process, primer material, beats other technological factors such as colloid amount; This makes testing laboratory detect to exist depart from very greatly with on-site actual situations, truly cannot reflect the quality condition of the insulating glass sealant of on-the-spot curtain wall door and window engineering.

Summary of the invention

The invention provides a kind of double glazing outer course fluid sealant adhesive property detection method, which overcome the deficiency existing for background technology.The technical solution adopted for the present invention to solve the technical problems is:

A kind of double glazing outer course fluid sealant adhesive property detection method, the thickness of outer course fluid sealant, width, length are W respectively 0, l, detects and comprises step:

(1) dust and the grease on the upper and lower surface of double glazing is removed, to bond respectively secondary frame at the dual-side that the upper and lower surface of double glazing is symmetrical with cementing agent, double glazing is placed on temperature 23 DEG C ± 2 DEG C, maintenance 10-20 days under the environment of relative humidity 50% ± 5%;

(2) 4 hydraulic jacking devices are distributed in four corner location of double glazing, hydraulic jacking device comprises hydraulic synchronization lifting jack, entablature, sill, entablature is connected with the secondary frame of double glazing upper surface, sill maintains static and is connected with the secondary frame of double glazing lower surface, the top lifting height of 4 hydraulic synchronization lifting jack is on sustained height, and double glazing is in horizontality;

(3) force (forcing) pump with digital display oil pressure gauge is utilized, simultaneously to 4 hydraulic synchronization lifting jack pressurizations, make 4 hydraulic synchronization lifting jack with the slow jacking of speed sync of (5 ~ 6) mm/min, entablature is driven vertically to rise, when the numerical value being forced into digital display oil pressure gauge no longer continues to increase, record payload values F now;

(4) be forced into digital display oil pressure gauge numerical value again when starting to decline, measure the tensile elongation W of outer course fluid sealant 1;

(5) pulling strengrth of double glazing outer course fluid sealant is calculated according to following formula:

σ = F b ‾ × L

In formula:

σ--double glazing outer course fluid sealant pulling strengrth, unit is MPa (MPa)

Payload values maximum during F--bond damage, unit is newton (N)

--double glazing outer course fluid sealant bonding width, unit is millimeter (mm)

L--double glazing outer course fluid sealant surrounding bond length, unit is millimeter (mm)

Strain according to during following formula calculating double glazing outer course fluid sealant bond damage:

ϵ = W 1 - W 0 W 0

In formula:

ε--strain during double glazing outer course fluid sealant bond damage

W 1--thickness during the fluid sealant fail in tension of double glazing outer course, unit is millimeter (mm)

W 0--double glazing outer course fluid sealant original thickness, unit is millimeter (mm).

Among one preferred embodiment: curing time is 14 days.

Among one preferred embodiment: described cementing agent adopts structural silicone adhesive.

Among one preferred embodiment: the tensile bond strength >=0.60MPa of described structural silicone adhesive.

Among one preferred embodiment: by the surrounding on dry cloth and upper and lower two surfaces of absolute ethyl alcohol wiping double glazing, remove dust and the grease on the upper and lower surface of double glazing.

Among one preferred embodiment: by regulating the top lifting height nut of hydraulic pressure synchronous jack, the top lifting height of 4 hydraulic synchronization lifting jack is on sustained height.

Among one preferred embodiment: described secondary frame is arranged along the long side direction of double glazing.

The technical program is compared with background technology, and its tool has the following advantages:

Detection method of the present invention, can detect the double glazing outer course fluid sealant adhesive property of finished product exactly, simple to operate, can save a large amount of site test cost, be easy to promote the use of.Strain when utilizing detection method can obtain pulling strengrth and the bond damage of curtain wall door and window double glazing outer course fluid sealant, may be used for the safe application performance evaluating curtain wall door and window double glazing.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described.

Fig. 1 depicts diagrammatic cross-section when utilizing detection method of the present invention to detect double glazing.

Fig. 2 depicts floor map when utilizing detection method of the present invention to detect double glazing.

Fig. 3 depicts and utilizes detection method of the present invention to carry out double glazing detecting the detection data obtained.

Embodiment

Please refer to Fig. 1 and Fig. 2, double glazing 10 comprises the outer course fluid sealant 16 of upper glass plates 12, lower glass plate 14, connection upper glass plates 12 and lower glass plate 14, and outer course fluid sealant 16 closes connection along the surrounding head and the tail of double glazing 10.The thickness of outer course fluid sealant 16, width, length are W respectively 0, l.

The adhesive property testing process of outer course fluid sealant 16 comprises step step:

(1) by the surrounding on dry cloth and upper and lower two surfaces of absolute ethyl alcohol wiping double glazing 10, dust and the grease on the upper and lower surface of double glazing 10 is removed.To bond respectively a secondary frame 30 at the dual-side that the upper and lower surface of double glazing 10 is symmetrical with cementing agent 20.Described cementing agent 30 preferably adopts the structural silicone adhesive of tensile bond strength >=0.60MPa.Described secondary frame 30 is preferably arranged along the long side direction of double glazing 10.The U-shaped profile shape of described secondary frame 30, and opening is outside double glazing 10.Double glazing 10 is placed on temperature 23 DEG C ± 2 DEG C together with secondary frame 30, maintenance 10-20 days under the environment of relative humidity 50% ± 5%, preferred maintenance 14 days;

(2) 4 hydraulic jacking devices 40 are distributed in four corner location of double glazing 10, and hydraulic jacking device 40 comprises hydraulic synchronization lifting jack 42, entablature 44, sill 46, and hydraulic synchronization lifting jack 42 can drive entablature 46 vertically to move back and forth.The structure of entablature 44, sill 46 is similar to the structure of secondary frame 30, U-shaped profile shape.Entablature 44 snapping mutual to the secondary frame 30 of double glazing 10 upper surface, sill 46 maintains static and snapping mutual to the secondary frame 30 of double glazing 10 lower surface.By regulating the top lifting height nut 422 of hydraulic pressure synchronous jack 42, making the top lifting height of 4 hydraulic synchronization lifting jack 42 be on sustained height, ensureing that double glazing 10 is in horizontality;

(3) force (forcing) pump with digital display oil pressure gauge is utilized, 4 hydraulic synchronization lifting jack 42 are pressurizeed simultaneously, make 4 hydraulic synchronization lifting jack 42 with the slow jacking of speed sync of (5 ~ 6) mm/min, entablature 44 is driven vertically to rise, when the numerical value being forced into digital display oil pressure gauge no longer continues to increase, record payload values F now, payload values F is exactly the ultimate value making outer course fluid sealant 16 produce bond damage;

(4) be slowly forced into digital display oil pressure gauge numerical value again when starting to decline, measure the tensile elongation W of outer course fluid sealant 1;

(5) pulling strengrth of double glazing outer course fluid sealant is calculated according to following formula:

σ = F b ‾ × L

In formula:

σ--double glazing outer course fluid sealant pulling strengrth, unit is MPa (MPa)

Payload values maximum during F--bond damage, unit is newton (N)

--double glazing outer course fluid sealant average bond width, unit is millimeter (mm)

L--double glazing outer course fluid sealant surrounding bond length, unit is millimeter (mm)

Strain according to during following formula calculating double glazing outer course fluid sealant bond damage:

ϵ = W 1 - W 0 W 0

In formula:

ε--strain during double glazing outer course fluid sealant bond damage

W 1--thickness during the fluid sealant fail in tension of double glazing outer course, unit is millimeter (mm)

W 0--double glazing outer course fluid sealant original thickness, unit is millimeter (mm)

It should be noted that to accurately record tensile elongation W 1, the tensile elongation of the outer course fluid sealant of double glazing four corner location can be measured respectively, get arithmetic mean.

In addition, in order to accurately record the bonding width of outer course fluid sealant bond length L, after step (4) terminate, can continue pressurization until double glazing outer course fluid sealant destroys completely, measure the bonding width of four double glazing outer course fluid sealants and get arithmetic mean acquisition meanwhile, double glazing outer course fluid sealant surrounding bond length L is measured.

Utilize detection method of the present invention, detect the double glazing of three kinds of different sizes, detection architecture please refer to Fig. 3.

The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.

Claims (7)

1. a double glazing outer course fluid sealant adhesive property detection method, the thickness of outer course fluid sealant, width, length are W respectively 0, l, detects and comprises step:
(1) dust and the grease on the upper and lower surface of double glazing is removed, to bond respectively secondary frame at the dual-side that the upper and lower surface of double glazing is symmetrical with cementing agent, double glazing is placed on temperature 23 DEG C ± 2 DEG C, maintenance 10-20 days under the environment of relative humidity 50% ± 5%;
(2) 4 hydraulic jacking devices are distributed in four corner location of double glazing, hydraulic jacking device comprises hydraulic synchronization lifting jack, entablature, sill, entablature is connected with the secondary frame of double glazing upper surface, sill maintains static and is connected with the secondary frame of double glazing lower surface, the top lifting height of 4 hydraulic synchronization lifting jack is on sustained height, and double glazing is in horizontality;
(3) force (forcing) pump with digital display oil pressure gauge is utilized, simultaneously to 4 hydraulic synchronization lifting jack pressurizations, make 4 hydraulic synchronization lifting jack with the slow jacking of speed sync of (5 ~ 6) mm/min, entablature is driven vertically to rise, when the numerical value being forced into digital display oil pressure gauge no longer continues to increase, record payload values F now;
(4) be forced into digital display oil pressure gauge numerical value again when starting to decline, measure the tensile elongation W of outer course fluid sealant 1;
(5) pulling strengrth of double glazing outer course fluid sealant is calculated according to following formula:
σ = F b ‾ × L
In formula:
σ--double glazing outer course fluid sealant pulling strengrth, unit is MPa (MPa)
Payload values maximum during F--bond damage, unit is newton (N)
--double glazing outer course fluid sealant bonding width, unit is millimeter (mm)
L--double glazing outer course fluid sealant surrounding bond length, unit is millimeter (mm)
Strain according to during following formula calculating double glazing outer course fluid sealant bond damage:
ϵ = W 1 - W 0 W 0
In formula:
ε--strain during double glazing outer course fluid sealant bond damage
W 1--thickness during the fluid sealant fail in tension of double glazing outer course, unit is millimeter (mm)
W 0--double glazing outer course fluid sealant original thickness, unit is millimeter (mm).
2. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 1, is characterized in that: curing time is 14 days.
3. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 1, is characterized in that: described cementing agent adopts structural silicone adhesive.
4. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 3, is characterized in that: the tensile bond strength >=0.60MPa of described structural silicone adhesive.
5. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 1, is characterized in that: by the surrounding on dry cloth and upper and lower two surfaces of absolute ethyl alcohol wiping double glazing, removes dust and the grease on the upper and lower surface of double glazing.
6. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 1, is characterized in that: by regulating the top lifting height nut of hydraulic pressure synchronous jack, the top lifting height of 4 hydraulic synchronization lifting jack is on sustained height.
7. a kind of double glazing outer course fluid sealant adhesive property detection method according to claim 1, is characterized in that: described secondary frame is arranged along the long side direction of double glazing.
CN201410440762.3A 2014-09-01 2014-09-01 A kind of double glazing outer course fluid sealant adhesive property detection method CN104215574B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104483264A (en) * 2014-12-18 2015-04-01 上海天洋热熔粘接材料股份有限公司 Novel evaluation method for bonding property of hot melt adhesive
CN104931415A (en) * 2015-06-11 2015-09-23 上海福耀客车玻璃有限公司 Device for quickly identifying bonding fastness of clad glass

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104483264A (en) * 2014-12-18 2015-04-01 上海天洋热熔粘接材料股份有限公司 Novel evaluation method for bonding property of hot melt adhesive
CN104483264B (en) * 2014-12-18 2017-09-26 上海天洋热熔粘接材料股份有限公司 A kind of method of new evaluation PUR adhesive property
CN104931415A (en) * 2015-06-11 2015-09-23 上海福耀客车玻璃有限公司 Device for quickly identifying bonding fastness of clad glass

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Address after: Ten, 361000 floor, No. 62 Hubin South Road, Fujian, Xiamen

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Patentee before: Xiamen Building Engineering Detection Center Co., Ltd.

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