CN100348411C - Aluminium compoiste material for drilling lubrication - Google Patents

Aluminium compoiste material for drilling lubrication Download PDF

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CN100348411C
CN100348411C CNB2004100316941A CN200410031694A CN100348411C CN 100348411 C CN100348411 C CN 100348411C CN B2004100316941 A CNB2004100316941 A CN B2004100316941A CN 200410031694 A CN200410031694 A CN 200410031694A CN 100348411 C CN100348411 C CN 100348411C
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polyethylene glycol
boring
aluminium
resin combination
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CN1683155A (en
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简泰文
廖纯菁
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叶云照
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Abstract

The present invention relates to aluminum compound material used for lubrication during drilling, which comprises a resin composition and aluminium foil. The resin composition is prepared by mixing three or more of polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyethylene glycol sorbitol laurate ester, polyethylene glycol laurinol ether, nonyl phenol polyglycol ether, polypropylene glycol ether, etc., inorganic filler, solvent, etc. can also be added for preparation, and additionally, one of starch, glycerol, castor oil polyglycol ether and octyl phenol polyethylene glycol ether can also be added. The resin is combined with the aluminium foil through one of the methods of roller coating, rotary coating, flow coating, electrostatic painting and screen printing to obtain the aluminium compound material used by being laid on circuit boards.

Description

Boring lubricating aluminium composite
Skill this area
The present invention is relevant a kind of boring lubricating aluminium composite, can effectively reduce the boring lubricating aluminium composite of broken needle rate when referring to a kind of circuit boring especially, can simplify the kind of using resin, can improve prouctiveness to reach mass-produced purpose, be applicable to the user of circuit boring equipment.
Background technology
In recent years, along with making rapid progress of electronic technology, coming out one after another of many high-tech electronic industries makes electronic product more humane, with better function constantly weed out the old and bring forth the new, and these electronic products are more constantly towards light, thin, short, little trend designs.Various electronic products all have at least one motherboard, it is made of many electronic building bricks and circuit board, and the function of circuit board is to be to carry and electrically connect each electronic building brick, make these electronic building bricks to be electrically connected to each other, and present modal circuit board is printed circuit board (PCB) (Printed Circuit Board; PCB).
Printed circuit board (PCB) can link together the electronics spare part, makes its performance allomeric function, is the indispensable basic comprising important documents of all electronics and IT products therefore.Because the good and the bad of printed circuit board (PCB) quality of design, not only directly influence the reliability of electronic product, but the also competitiveness of left and right sides system product, so PCB often be known as " mother of electronic system product " or " base of 3C industry ".Printed circuit board (PCB) is a substrate with the made flat board of electrically non-conductive material, all will design prebored hole usually so that chip and other electronic building brick to be installed on this flat board.The hole of assembly helps to allow the metal path of printing on the plate face in advance couple together in the electronics mode, the pin of electronic building brick is passed PCB after, be welded on PCB with the metal electrode of electric conductivity again and go up and form circuit.
Yet, when carrying out circuit boring, broken needle be the time and easily see.Though technology is utilized water-soluble resin to be coated on the formed fender of aluminium foil surface to be arranged on the circuit board to be holed, to have the function of moistening buffering and the function that aluminium foil has heat radiation by water-soluble resin, make it to reduce the ratio of broken needle now.But, existing fender its to form used prescription of a great variety, make that process complications and speed of production are slow, and the stability of boring is still slightly inadequate when using.
The inventor is to be devoted to improvement, and a kind of boring lubricating aluminium composite is provided in view of the shortcoming of above-mentioned prior art, it can simplify resin kind of the prior art, improve speed of production to reach a large amount of production purposes, reduce the broken needle rate simultaneously, and effectively improve the degree of accuracy when holing.
Summary of the invention
Main purpose of the present invention is simplified resin kind of the prior art (in other words providing a kind of, prior art is because when the modulation resin, need seven or eight kinds of materials to mix, and the present invention only needs general three kinds of materials to allocate out, so can simplify prior art mixed with resin kind), can quicken speed of production to reach the boring lubricating aluminium composite of a large amount of production purposes.
Another object of the present invention provide a kind of can effectively reduce when boring the broken needle rate with the boring lubricating aluminium composite that improves the boring degree of accuracy.
In order to achieve the above object, a kind of boring lubricating aluminium of the present invention composite comprises resin combination and aluminium foil.This resin combination is that polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyethylene glycol D-sorbite laurate fat (polyoxyethylene sorbitan fatty acid ester), polyethylene glycol lauryl alcohol (cocount alcohol polyethylene glycol ether), phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycol ether), polypropylene glycol glycol ether (polyoxypropylene polyoxyethylene ether) etc. mix at least for optional three kinds, also can add allotments such as inorganic filler, solvent.Use that this resin is incorporated on the aluminium foil through cylinder coating, rotation coating, pouring film, electrostatic spraying, wherein a kind of mode of screen painting, and form for the aluminium composite material that is layed on the circuit board.
In addition, aforementioned formula can include starch, glycerine, castor oil polyglycol ether (costol oilpolyethylene glycol ether) in addition, (octyl phenol polyethyleneglycol ether) is wherein a kind of for the octyl phenol polyglycol ether.
For ease of to the present invention more deep understanding being arranged, mat one embodiment is specified in the back now:
Description of drawings
Fig. 1 is the hole making flow chart of lubricating aluminium composite of the present invention;
Fig. 2 is deployed into the schematic diagram of resin for one embodiment of the invention;
Fig. 3 is deployed into the schematic diagram of resin for second embodiment of the invention;
Fig. 4 is deployed into the schematic diagram of resin for third embodiment of the invention;
Fig. 5 is deployed into the schematic diagram of resin for fourth embodiment of the invention.
The specific embodiment
A kind of boring lubricating aluminium of the present invention composite, comprise a resin combination and an aluminium foil, it is characterized in that: this resin combination is polyethylene glycol (PEG), polyvinyl alcohol (PVA), polyethylene glycol D-sorbite laurate fat (polyoxyethylene sorbitan fatty acid ester), polyethylene glycol lauryl alcohol (cocount alcohol polyethylene glycol ether), phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycol ether), polypropylene glycol glycol ether (polyoxypropylene polyoxyethylene ether) mixes at least for optional three kinds, also can add inorganic filler, allotments such as solvent form.
Wherein this inorganic filler is silica (SiO 2), aluminium hydroxide (Al (OH) 3), aluminium oxide (Al 2O 3), titanium dioxide (TiO 2), calcium carbonate (CaCO 3) wherein a kind of; And solvent can be water (H 2O), methyl alcohol (CH 3OH), ethanol (C 2H 5OH), acetone (C 3H 7O) wherein a kind of.
By this, as scheme shown in the l, when the resin of above-mentioned wherein a kind of mixing, form and be incorporated on the aluminium foil via cylinder coating, rotation coating, pouring film, electrostatic spraying, wherein a kind of mode of screen painting, can form one for the aluminium composite material that is layed on the circuit board to be holed.So when advancing the shape bore operation, drill point can be lubricated via this aluminium composite material earlier, with the ratio and the lifting boring degree of accuracy that reduces broken needle.
In addition, aforementioned formula can include starch, glycerine, castor oil polyglycol ether (costol oilpolyethylene glycol ether) in addition, (octyl phenol polyethyleneglycol ether) is wherein a kind of for the octyl phenol polyglycol ether.
Wherein, the structural formula of polyethylene glycol (PEG) is:
HOCH 2(CH 2OCH 2) nCH 2OH
The structural formula of polyvinyl alcohol (PVA) is:
(CH 2CHOH) n(CH 2CHOOCCH 3) m
The structural formula of polyethylene glycol D-sorbite laurate fat (polyoxyethylene sorbitan fatty acid ester) is:
Figure C20041003169400061
The structural formula of polyethylene glycol lauryl alcohol (cocount alcohol polyethylene glycol ether) is:
C 12H 25OC 2H 5O nH
The structural formula of phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycol ether) is:
Figure C20041003169400071
The structural formula of castor oil polyglycol ether (costol oil polyethylene glycol ether) is:
Figure C20041003169400072
The structural formula of octyl phenol polyglycol ether (octyl phenol polyethylene glycol ether) is:
Figure C20041003169400073
The structural formula of polypropylene glycol glycol ether (polyoxypropylene polyoxyethylene ether) is:
Figure C20041003169400081
For ease of understanding, the invention provides following four kinds of resin combination mixed proportions after experiment:
One, this resin combination can be that the phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycolether) that the polyethylene glycol (PEG) of 41WT%~61WT% molecular weight 4000, polyvinyl alcohol (PVA) that addition is 36WT%~56WT% and addition are 1WT%~5WT% mixes (as shown in Figure 2) by addition.
Two, this resin combination can be that the polyethylene glycol lauryl alcohol (cocount alcohol polyethyleneglycol ether) that the polyethylene glycol (PEG) of 41WT%~61WT% molecular weight 3000, polyvinyl alcohol (PVA) that addition is 36WT%~56WT% and addition are 1WT%~3WT% mixes (as shown in Figure 3) by addition.
Three, this resin combination can be mixed by the inorganic filler that addition is the polyethylene glycol (PEG) of 32WT%~52WT% molecular weight 3000, polyvinyl alcohol (PVA) that addition is 20WT%~40WT%, addition is 1WT%~3WT% polyethylene glycol D-sorbite laurate fat (polyoxyethylene sorbitanfatty acid ester) and addition are 10WT%~20WT%, and to add amounts of acetone be that 6~16WT% is to adjust viscosity (as shown in Figure 4).
Four, this resin combination can be the polyvinyl alcohol (PVA) of 94WT%~98WT%, the polyethylene glycol D-sorbite laurate fat that addition is 1WT%~3WT% (polyoxyethylene sorbitan fatty acid ester) by addition; And addition is that the phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycol ether) of 1WT%~3WT% mixes (as shown in Figure 5).
Therefore, the present invention has following advantage:
1, the present invention's lubricating aluminium composite of holing, its resin combination be polyethylene glycol (PEG), Polyvinyl alcohol (PVA), polyethylene glycol sorb sugar alcohol laurate fat (polyoxyethylene sorbitan Fatty acid ester), polyethylene glycol lauryl alcohol (cocount alcohol polyethylene glycol Ether), phenol polyglycol ether in the ninth of the ten Heavenly Stems (nonyl phenol polyethylene glycol ether), castor oil Polyglycol ether (costol oil polyethylene glycol ether), hot phenol polyglycol ether (octyl Phenol polyethylene glycol ether), polypropylene glycol ethylene glycol ether (polyoxypropylene Polyoxyethylene ether) etc. wherein at least three kinds mix, also can add starch, glycerine, The allotments such as inorganic fill agent, solvent. So can simplify resin kind of the prior art, make and to accelerate Speed of production is to reach a large amount of production purposes.
2, but the present invention's Effective Raise boring degree of accuracy reaches 98%, and lubricated characteristic can reduce by 20% The ratio of broken needle during boring is so can save production cost and the precision that improves product.
To sum up, the present invention really can reach the expection purpose of invention, provides a kind of boring lubricating aluminium multiple Condensation material, it simplifies the kind of using resin, and can improve production usefulness to reach mass-produced order , have the value of utilizing on the industry, so propose application for a patent for invention in accordance with the law.

Claims (7)

1, a kind of boring lubricating aluminium composite comprises resin combination and aluminium foil, it is characterized in that:
This resin combination be polyethylene glycol, polyvinyl alcohol, polyethylene glycol sorbitol laurate, polyethylene glycol lauryl alcohol, the ninth of the ten Heavenly Stems phenol polyglycol ether, polypropylene glycol glycol ether wherein at least three kinds mix, also can add inorganic filler, solvent is allocated; By this resin combination is incorporated on the aluminium foil through cylinder coating, rotation coating, pouring film, electrostatic spraying, wherein a kind of mode of screen painting, form for the aluminium composite material that is layed on the circuit board.
2, as claim 1 a described boring lubricating aluminium composite, wherein this resin combination be by:
A, addition are the polyethylene glycol of 41WT%~61WT% molecular weight 4000;
B, addition are the polyvinyl alcohol of 36WT%~56WT%; And
C, addition are that the phenol polyglycol ether in the ninth of the ten Heavenly Stems of 1WT%~5WT% is formed.
3, boring lubricating aluminium composite as claimed in claim 1, wherein this resin combination be by:
A, addition are the polyethylene glycol of 41WT%~61WT% molecular weight 3000;
B, addition are the polyvinyl alcohol of 36WT%~56WT%; And
C, addition are that the polyethylene glycol lauryl alcohol of 1WT%~3WT% mixes.
4, boring lubricating aluminium composite as claimed in claim 1, wherein this resin combination be by:
A, addition are the polyethylene glycol of 32WT%~52WT% molecular weight 3000;
B, addition are the polyvinyl alcohol of 20WT%~40WT%;
C, addition are the polyethylene glycol sorbitol laurate of 1WT%~3WT%;
D, addition are the solvent of 6~16WT%; And
E, addition are that the inorganic filler of 10WT%~20WT% mixes,
Wherein this solvent is that water, methyl alcohol, ethanol, acetone are wherein a kind of.
5, boring lubricating aluminium composite as claimed in claim 1, wherein this resin combination be by:
A, addition are the polyvinyl alcohol of 94WT%~98WT%;
B, addition are the polyethylene glycol sorbitol laurate of 1WT%~3WT%; And
C, addition are that the phenol polyglycol ether in the ninth of the ten Heavenly Stems of 1WT%~3WT% mixes.
6, as claim 1 or 4 described boring lubricating aluminium composites, wherein this inorganic filler be for silica, aluminium hydroxide, aluminium oxide, titanium dioxide and calcium carbonate wherein a kind of.
7, boring lubricating aluminium composite as claimed in claim 1, it is wherein a kind of that wherein this resin combination includes starch, glycerine, castor oil polyglycol ether and octyl phenol polyglycol ether in addition.
CNB2004100316941A 2004-04-13 2004-04-13 Aluminium compoiste material for drilling lubrication Expired - Lifetime CN100348411C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100478131C (en) * 2006-04-11 2009-04-15 合正科技股份有限公司 Heat radiation assistant board used for high speed drilling
MY165940A (en) * 2010-09-17 2018-05-18 Mitsubishi Gas Chemical Co Entry sheet for drilling
CN104244589B (en) * 2014-05-23 2017-06-13 胜宏科技(惠州)股份有限公司 A kind of method of raising HDI wiring board exposure accuracies

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5082402A (en) * 1990-08-08 1992-01-21 Mitsubishi Gas Chemical Co. Ltd. Method of drilling of through-holes in printed circuit board panels
US5480269A (en) * 1993-06-07 1996-01-02 Mitsubishi Gas Chemical Company, Inc. Method of drilling a hole for printed wiring board
US20020051684A1 (en) * 2000-09-04 2002-05-02 Mitsuo Eziri Lubricant sheet for making hole and method of making hole with drill

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5082402A (en) * 1990-08-08 1992-01-21 Mitsubishi Gas Chemical Co. Ltd. Method of drilling of through-holes in printed circuit board panels
US5480269A (en) * 1993-06-07 1996-01-02 Mitsubishi Gas Chemical Company, Inc. Method of drilling a hole for printed wiring board
US20020051684A1 (en) * 2000-09-04 2002-05-02 Mitsuo Eziri Lubricant sheet for making hole and method of making hole with drill

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