JPS62502743A - filled gel articles - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Engraving (no changes to the content) filled gel articles FIELD OF THE INVENTION This invention relates to filled gel articles. Additionally, the present invention provides a method for manufacturing filled gel articles. related.

b) Background information At various points in the power distribution system, for example when connecting branch cables to the main cable, or splitting a cable containing two or more cores into individual cores. The air cable is divided into two or more elements. one or more cases When splitting cables or cores from the main cable, cable insulation is generally Allows removal of branch cables or cable core breakout connections Make it. Areas where insulation has been removed will need to be re-insulated later.

For shielded or armored cables, remove the shield and armor and reinstall. must be installed. This generally means that the cable is This is done by wearing a closure. The word "breakout" is two or more cables or even two cables that are separate from the main cable. It is used herein to mean one or more cores.

Suitable enclosures for this purpose include, for example, resin-filled joint cases, Marsleeve etc. Where individual cables exit the enclosure, between cables and between cables or cores and enclosures. The area must be sealed to prevent moisture from entering. Many ways to break It has been used with varying success for encapsulation. Place heat-shrinkable polymer boots Break out the boots using mastic or glue to hold them in place You may place it in However, heat-shrinkable boots are expensive to manufacture due to their shape. Also, the boot is usually placed on the cable conductor end and above the breakout. You need to slide it into place. Adhesives and mastics are breakable It is placed in the area between the outer cable core and the main cable (crotch area) to seal it. , it is best to fill the crotch area with these without leaving any voids that would result in an improper seal. It is difficult and requires heating to flow and fill the crotch area. Heating is conducted by May damage body coverings or conductors. Applying adhesive or mastic A tape of dimensionally stable polymeric material wrapped around the cable breakout area. It has been used to tighten the material, but if it is not overlapped properly, it tends to leak. .

Shaped articles have been used as sealing elements in a variety of ways. united states patent No. 4,438,294 includes thermoplastic or plastic for cable entry sockets. A sealing element of tick material is described.

The sealing element is a faced or conical part that encloses only the cable and conductor part at the crotch. A shaped article is used to seal the portion between the cable sheaths.

Gels are not listed and thermoplastic or plastic materials that are listed are , substantially non-stick and hard.

British Patent No. 2,057,202 describes a method for enclosing multiple cables. A polymeric article is described having a cylindrical member with a plurality of channels. Ru. The article may be sealed by making it heat recoverable or by using an adhesive or is sealed with mastic. These are non-stick and seal the cable , suitable for protection and even insulation. Gels are not listed. America U.S. Pat. No. 4,298,415 discloses a heat recoverable sleeve and sleeve opening. one or more parts that can be attached to the parts to form the sleeve into the desired number of cable ducts. A bifurcated seal comprising the above clip is described.

Various molds are known for injection molding shaped articles. metal, polymer, glass and reusable molds made from ceramic to support a wide range of different polymer shapes and used for injection molding and articles.

Reusable molds are generally more expensive to manufacture and require less filling and filling of the article formed inside. and must be handled separately. Disposable types made of various materials, e.g. wax has been used.

United States Patent Application No. 859,160 (Letter of Attorney) filed concurrently with this application Class number MP1047-US2) contains polymers useful for sealing cable brackets. - Gel shaped articles are described. These polymer gel shaped articles are Connect two or more cables and cables where they exit the enclosure. Useful for sealing parts between enclosures. The application also states that cable Shaped articles of polymer gels useful for sealing the edges of walls have also been described. These poly Margel's shaped objects are sticky, meaning they are susceptible to considerable goo, dirt, fingerprints, etc. adheres and is therefore somewhat difficult to handle, especially when fitted, and poses storage problems. may also occur.

Summary of the invention When a shaped article of polymer gel is formed into a filled gel article of the present invention, the resulting filling Gel articles can be handled using a container in which the gel has formed and the shaped article can be loaded. It has now been found that the problems of the prior art can be overcome.

FIELD OF THE INVENTION The present invention relates to filled gel articles and methods of making filled gel articles.

The filled gel article comprises a mold and a shaped article, the mold comprising: a) a shaped article in the mold; comprising a hollow cylindrical structure having a circumferential shape substantially corresponding to the article; b) at least one cylindrical mandrel is placed in the mold so that the shaped article is having one or more holes extending at least partially: C) The mold has a shaped article comprising a polymer gel, the gel having a thickness of about 30 to about 4 00 (10-'mm) and an elongation of about 25 to about 850%: d) The mold and mandrel are substantially incompatible with the shaped article and a gel is formed. It is dimensionally stable at temperatures where at least about 4XIO3p having a peel rate from the gel composition of 0.02 inches/second It is made of a relatively hard material with a flexural modulus of si.

The present invention also includes a hole having one or more holes extending at least partially therein. 2. A method of manufacturing a shaped article, the method comprising: a) substantially adjusting the desired dimensions of the shaped article; A mold comprising a hollow cylindrical structure with a corresponding circumferential shape and closed at one end. b) molding a liquid composition comprising a polymeric material capable of forming a gel; to an appropriate depth to form a shaped article with a desired structure; C) disposing at least one cylindrical mandrel at least partially within the liquid composition; and d) placing the polymeric material at a concentration of 30 to 400 (1 Gel compositions having a conical penetration of 0"-'mm) and an elongation of about 25-850% to be exposed to conditions such that the mold and mandrel are substantially incompatible with the shaped article; Dimensionally stable at gel forming temperature and at least 0.02 at 180° peel at least about 4X103 psi with a peel rate from the gel composition of inches/second manufactured from a relatively hard material with a flexural modulus of at least partially A shaped article with one or more holes extending is obtained, the number of holes being determined by the step (C ) corresponds to the number of mandrels used.

Detailed description of the invention The mold of the invention is incompatible with the shaped article and dimensionally stable at temperatures that form a gel. and peeling from the gel of at least 0.02 inches/second at 180° peeling. relatively stiff having a flexural modulus of at least about 4 x 103 psi Made from quality materials. other organic or inorganic materials, such as certain metals or Although alloys are also suitable for the mold, in the present invention the mold is preferably made from a polymeric material. Yes. Preferred polymers include polycarbonate, polyethylene, polypropylene. , polystyrene, ABS, polyester, polyamide, fluoropolymer and Includes silicone surface treated plastics.

Particularly preferred is polycarbonate.

The mold material is dimensionally stable at the gel-forming temperature, i.e. it cannot form a gel. the highest temperature that a liquid composition can reach during production of a shaped article in a mold It is necessary to have a higher melting point or glass transition point. This means that the gel This also applies to the outer support, for example to maintain dimensional stability during formation.

Relatively hard means that the mold material is at least about 4 x 103 psi, preferably preferably from about 0.5 x 10’psi to 1.25 x 10’psi It is meant to have a flexural modulus measured in accordance with ASTM D790.

It also refers to the property of remaining dimensionally stable during manufacturing and storage. There is also. The mold material must be sufficiently flexible and removable when the gel material is applied. be.

The mold material is relatively resistant, e.g. when mounting the printed article over a cable breakout. Must be easily separated from the gel. If the demolding speed is very low, the printed article will crack. If the product is thrown or pulled, its shape will be deformed and it will become unusable. Those with low mold releasability was found to be preferable. When storing a shaped article in a mold, the shaped article the mold to prevent it from ejecting due to general gravity or other small pulling forces. Preferably, it is sufficiently tacky within. Generally, the peel speed is 6 inches x 1 inch Place l-bond weight on 1/8 inch thick polymer gel on strip of mold material. When installed so that the tension force is at an angle of 180° to the mold material, Must be at least 0.02 inches/second. Mold releasability depends on the material selection of the mold itself. This can be achieved by controlling mold releasability by coating or lining the inside of the mold. can be achieved.

In some cases, it is preferred that the mold material is notch brittle. called notch brittleness - If the charcoal material is cut or scored, it will not absorb with normal hand pressure. This means that it can be easily broken and the mold material can be easily removed. Notch brittleness is AS Measured by TM D-256. Notch brittleness is caused by removing molds or molds from printed articles. Desirable for assisting in removing portions of. After cutting the mold, squeeze it. Apply pressure around the cut by using a method such as , and break the mold material along the cut. break The mold can then be removed from the shaped article by grasping the formed edges.

Optionally, a portion of the mold material may remain on the shaped article during installation. Residue The portion of the mold that is held in place may act as a cover or other means of protection for exposed portions of the printed article. can. Therefore, we decided that it would be desirable to leave part of the mold for electrical purposes. suitable conductivity, stress grading properties, or It is appropriate to choose a mold material that is insulating.

The mold may be formed by any convenient means based on the material selected for the mold. stomach. Thus, for example, when selecting a polymer, the mold can be extruded or e.g. It may be manufactured by thermoforming such as blow molding or injection molding.

The mandrel is selected with the same requirements as the mold material. The mandrel is designed in a cylindrical shape It is preferred that the mandrel pass through at least the printed article when inserted into the mold. Make sure to form and leave a hole. The number of mandrels is the number of holes required in the printed article. must correspond to

The mandrel may also be an integral part of the mold. Hole mand like that It may also be formed at the edge of the article by means of a rail (FIG. 6).

The shaped article has a number of holes corresponding to the number of breakout cores or cables. It is preferable to When the gel is formed into such shaped articles, the holes are inserted into It is preferable to form it slightly smaller than the size of the cable to be inserted. Used in this invention The gel stretches to accommodate larger dimensions, and the resulting tension creates a better seal. provide.

The number of holes should correspond to the number of cables passing through them. The hole has a tube inside, Stretch and build around the cable by placing a mandrel or other item Hold items in an inflated state before placing them. tube, mandrel or The other items may be an integral part of the mold itself, or they may be part of the cable loop. It may also be inserted later, before placing the shaped article. Next, the shaped article is placed in a predetermined position. If so, you can remove the dupe. The hole is larger than or the same as the cable It may be a dimension. Preferably there is a slit extending from the edge of the hole to the outer edge of the article. As a result, it is possible to create objects around the cable without having to pass through the free end of the cable. can be placed. the slit reaches the end of the mold forming an integral part of the mold of the invention; one or more tube ends with an additional section of material towards the edge of the tube It can be formed by insertion (see Figures 1 and 2).

When using a shaped article to seal the cable end, if a hole is used, the hole , shall not penetrate the shaped article. Therefore, the tube used to make the hole is Do not penetrate from the top to the bottom of the mold. Rather, the shaped article must have holes. It does not need to be, it just needs to be at least slightly larger than the cable end and match substantially. Ru. In this case, there is no need to use a tubular insert. Shaped articles are Provides the necessary environmental sealing and holds it in place. It will be done.

The polymer gel has a cone penetration as measured by ASTM D-937-77 of approximately 30 to about 400 (10-'mm), preferably about 50 to about 350 (10-'mm) m). Additionally, the gel has a elongation of about 25 to about 850%, more preferably about 100 to 750%. sea urchins are selected. Additionally, gels can be used for insulation, stress gradient relief or conduction as well as encapsulation. Choices may be made regarding electrical properties. In general, gel is an insulating gel (AS 6 or less at 50 Hz (as measured by TMD-150), stress gradient relaxing gel It is preferable to have a dielectric constant of 6 or more. Gel as sealant and insulation material When used, the gel should contain at least 1O '. Preferably, it has a volume resistivity of Ω·cm. For stress gradient mitigation applications, The gel is 10' to I at 50 Hz (as measured by ASTM D-150) It is preferable to have a specific impedance of QIOΩ・cm, and for conductive applications. Preferably, the gel has a volume resistivity of 10 7 Ω·0 m or less. The gel is Adhesive enough for sealing and adhesion to breakouts or cable ends.

Additionally, the properties of the gel are such that it deforms and retains the tackiness required for sealing, allowing it to Qualitatively returns to its original shape, allowing movement of the cable without destroying the seal it has formed. enable.

Preferred gels for use in the present invention have an olefinic unsaturation content of 10 mol% or less. liquid and in an amount of about 20-95% by weight based on the weight of liquid and polymer. Crosslinked non-silicone polymer having a volume fraction of filler dispersed therein of ~0.3 A geloid composition comprising: the crosslinked polymer comprising: a) When derived from solid, relatively high molecular weight polymers, the proportion of gel is at least approximately 50%, or b) When derived from liquid relatively low molecular weight polymers, the weight average molecular weight or having at least about 0.1 (preferably about 0.1 to about 3) crosslinks; The composition is composed of (1+2.5v+14.1v') x dynes/cm" [wherein X is 5X10S or less at 30℃, 5X10" or more at 90℃, and V is the volume of the filler. rate. (However, if the crosslinked polymer is a solid high molecular weight polymer) storage modulus at 140°C is the storage modulus at 70°C. at least 70% of the total length. ), and (1+2.5v+14.1vtsuy Poise [where y is 1XX0' or less at 30℃ and 5×10'' or more at 90℃ , ■ is the volume fraction of the filler. ], and the composition has a kinematic viscosity of Showing the king.

These compositions include non-silicone liquid polymers containing from about 20% to about 95% by weight liquid. produced by exposing it to crosslinking means such as chemical or radiation means. It is preferable to Polymer starting materials are cross-linked with low or no unsaturation prior to cross-linking. Possible liquid polymeric materials, preferably non-silicone liquid rubbers. liquid polymer The material has a molecular weight of about 90,000 or less, preferably about 50,000 or less, and It is preferable to have a Mooney viscosity ML of 10 or less at 100°C 1 + 4 stomach. Mooney viscosity is measured according to ASTM D-1646. The polymer is At these molecular weights and viscosities, it is initially a liquid. Liquid polymer is a polymer The molecular weight is preferably about 7.5 times or less than the critical molecular weight of Regarding light, for example, Mechanical Prop of Polymers ical propof P polymers), Nielsen (N 1 else n), 1962). The polymer can be a hydrocarbon backbone polymer or a silicone Polymers with carbon and other atoms, such as oxygen, nitrogen, etc., in the main chain excluding - may be. Polymers are limited to low or no unsaturation prior to crosslinking.

Generally, the degree of unsaturation is less than about 10 mol%, preferably less than about 7 mol%, more preferably less than about 7 mol%. or less than 4 mol%. If the degree of unsaturation is very high, the resulting product will be thermally tends to become unstable.

Preferred liquid polymeric materials include liquid butyl rubber, shrimp chlorohydrin rubber, ethyl Ren-propylene-diene monomer rubber (EPDM), hydrogenated polyisoplast Ren, hydrogenated polybutadiene, hydrogenated styrene-butadiene rubber (SBR), water hydrogenated polychloroprene, functionalized polyisobutylene (i.e. hydroxyl, amine or polyisobutylene with crosslinkable reactive groups such as carboxyl groups), Chlorinated polyethylene, liquid fluorinated polymers (e.g. DuPont ): / (V 1 ton)), hydrogenated nitrile rubber, and other hydrogenated It is a liquid polymer. Furthermore, various polymers can be combined to achieve desired properties. It is also possible to form compositions that include

The liquid dispersed in the crosslinked polymers of the present invention can be present in an amount of about 20% to about 95% in the polymer. Any liquid that can be dispersed in the polymer and that does not react during crosslinking of the polymer may be used. liquid may be a plasticizer, a compatibilizer, an adhesive, etc. Suitable liquids include, for example, Finnura, naphthene-1 oil, aromatic oil, liquid polybutene, alkyl (or ant) ) naphthalate, vegetable oil, mineral oil, trimellitate, polyethylene glycol esters, alkyl (or aryl) phosphates, hydrogenated wood rosin Methyl ester, liquid rosinura, pine cool, polyterpene, non-reactive liquid rubber and remains uncrosslinked or has less than 0.1 crosslinks per weight average molecule. Included are starting liquid polymers that are bridges, and the like.

Crosslinking can be carried out by any conventional crosslinking means, preferably ultraviolet means, radiation means or may be carried out by chemical means. Radiation irradiation crosslinking is achieved through treatments such as electron beams. can be done. triallyl cyanure-1 and triallyl isocyanure A suitable crosslinking accelerator such as -1- can be added to accelerate radiation irradiation. . Suitable chemical crosslinkers can be selected depending on the particular polymer used. . For example, phenolic resins or p-quinone dioxime cure butyl rubber. Peroxides can be used to cure EPDM, or peroxides can be used to cure EPDM. Isocyanate dimer acids can be used to cure shrimp chlorohydrin rubber. Ru.

Optionally, plasticizers are added to help obtain a geloid with the desired degree of conical penetration. It can be long. Preferably, such plasticizer reduces the viscosity of the base rubber be low or no unsaturation as mentioned above, and be compatible with the base rubber. Includes all liquids.

If desired, fillers may be added to the composition. Generally, the amount of filler added is The fraction is θ~0.3. Preferably, the filler is present in an amount of a volume fraction of 0.1 to 0.02 It is. The term "filler" includes particulate or fibrous materials present in the composition. It is used herein to include all solid additives. These fillers For pigments, conductive, (electrical and thermal) stress gradient mitigation and insulating purposes. known fillers such as carbon black, barium titanate, zinc oxide , iron oxides, silicon carbide and metals, reinforcing agents, heat stabilizers, fungicides, etc. , fungicides, flame retardants such as aluminum trihydrate and halogenated flame retardants, Corrosion indicators (i.e., chemicals that react when exposed to certain chemicals), corrosion protection agents, UV stabilizers, processing aids, impact modifiers, etc.

The composition comprises a liquid non-silicone polymer with a volume fraction of O to 0.3 of the desired filler; formed by mixing with a crosslinking agent etc. and a liquid and exposing the mixture to a crosslinking means is preferable. The composition generally takes the form of a container during crosslinking, but can be cut into the desired shape. can be made into the shape of

The term cable refers to one or more electrical conductors surrounded by electrical insulation. is used in this application to mean. break ala), in the case of 2 or more or more cores, i.e. conductors and insulation, may be shielded and/or or main cases containing their cores surrounded by a layer of normal insulation material with an outer sheath. split from the table. The sealing method is between individual cores and between individual cores. Applicable for sealing between and enclosure. General instructions and claims The term range cable refers to individual cores such as breakout or main cables. It is understood to include. The term breakout is used here as breakout and breakout. It is used to apply to things like branching.

The shaped articles and/or molds or mandrels of the present invention may contain various desired additives. can be included. Additives include, for example, stabilizers, reinforcing or non-reinforcing fillers, facial materials, carbon black, plasticizers, surfactants, processing aids, corrosion inhibitors, conductive charging Includes fillers, fungicides, disinfectants, leak indicators, etc.

Filled gel articles are formed by assembling molds comprising the materials described above.

In a preferred embodiment, the mold forms a hole that partially passes through or through the shaped article. additional mandrels or other inserts or means to accomplish this.

Additionally, in a preferred embodiment, the mold includes a slit for creating a slit between the hole and the edge of the shaped article. There are ways to do this. A preferred means for forming the slit is a combination of the hole forming means and the end of the mold. It has a polymer sheet disposed therebetween. The mold contains a gel-forming liquid composition. Closed after filling, by suitable means such as glue, mastic, clamps, etc. Alternatively, the mold may contain a gel viscous material that holds the parts of the mold in place. held together by adhesion or by small tolerances and friction of the mold parts. Ru. Next, the liquid composition is solidified by curing, crosslinking, etc. depending on the gel selected. child Thus, the filled gel article is suitable for storing shaped articles and is also suitable for storing cable breaks. Difficulty in handling due to adhesive material during installation, such as on cable ends, etc. It is useful for handling shaped articles.

A portion of the mold may be broken away to expose a sufficient portion of the gel for installation.

The person applying the mold should remove part of the mold to expose the part to be applied, and then clean the area around the gel. The gel can be handled by the part of the mold that is attached. After installation, the remaining mold may be removed or mechanically protective coverings or printed articles exposed to the environment. can act as a cover.

In the drawings, FIG. 1 forms a container in which shaped articles of polymer gel can be stored. It is a disposable type. FIG. 2 is an exploded view of FIG. 1, l is the upper part, and unhardened Remove the cured polymer gel while adding it to the mold and place it in a place where the gel will harden and be stored. Attach it to fit. The hole forming means 2 are arranged in the holes of the top part 1 and the bottom part 5 when placed in the mold. 3 and 4, and the hole forming means forms a slit in the shaped article. It has an additional part 6 for The body 7 of the mold is made of a long sheet of disposable material. It is circular. Once the gel has formed in the mold, the upper part 1 or and the bottom part 5 as well as the hole or slit forming means 2.6 may be removed. The installation is The mold body 7 is held until the molded article is placed in a predetermined position. The product is handled and the mold body is then removed. Figures 3 and 4 are from this Figures 8 and 11 show polymer gel shaped articles 8 and 11 formed from molds used in the present invention. Goods have a hole 9 in which to place the cable and a free end of the cable to pass through, respectively. The cable also has a slit lO for placing the shaped article around the cable. Figure 5 is , a shaped part 12 having a hole 13 which is a channel part for placing the cable end therein. show. Figure 6 shows how the mandrel is an integral part of the mold. 3 shows a shaped article having a hole formed therein.

The following examples are illustrative only and are not intended to limit the invention. Those skilled in the art For specific applications, it is easy to find suitable crosslinking agents and crosslinking promoters without extra experimentation. agent, gel, irradiation level, cable breakout, cable, cable end, You will be able to choose closures, glue, mastic, etc.

Great storm! Injection from polycarbonate material with flexural modulus of 3.4 x 10' according to Figure 1. A mold was produced by molding. Put uncured liquid butyl rubber inside, and add liquid butyl rubber. was crosslinked to form a gel.

FIG/ Ntani-3 FIG 2 FIG 6 Procedural amendment form) %formula% 2. Name of the invention filled gel articles 3. Person making the amendment Relationship to the incident: Patent applicant Address: Constiti, Menlo Park, California, 94025, USA 300 Education Drive Name: Raychem Corporation 4. Agent Address: 2-1-61, Higashi-ku, Osaka City, Osaka Prefecture, 540 International Investigation Report

Claims (10)

[Claims] 1. 1. A filled gel article comprising: a) a mold and a shaped article; It has a hollow cylindrical structure having a circumferential shape that substantially corresponds to a certain shaped article. ; b) at least one cylindrical mandrel is placed in the mold so that the shaped article is adapted to have one or more holes extending at least partially; c) the mold has a shaped article comprising a polymer gel, the gel having a thickness of about 30 to about 4 00 (10-1 mm) and an elongation of about 25 to about 850%; d) the mold and mandrel are substantially incompatible with the shaped article and the gel is It is dimensionally stable at temperatures where at least about 4 x 103p with a peel rate from the gel composition of 0.02 inches/sec. Made of a relatively hard material with a flexural modulus of si Gel-filled articles. 2. Claim 1, wherein the mold and/or mandrel material is a polymer. Goods. 3. The polymer gel has an olefinic unsaturation content of 10 mol% or less and is a liquid. and an amount of liquid from about 20 to about 95% by weight based on the weight of the polymer and from 0 to 0. a crosslinked non-silicone polymer having a volume fraction of filler dispersed therein. The crosslinked polymer consists of a) When derived from solid, relatively high molecular weight polymers, the proportion of gel is at least There is also about 50%, or b) When derived from liquid, relatively low molecular weight polymers, the weight average molecular weight of having at least about 0.1 crosslinks, the composition has (1+2.5v+14.Iv2 ) 2 or more, and v is the volume fraction of the filler. ) storage modulus (however, cross-linked When the polymer is made from a solid high molecular weight polymer, the storage modulus at 140°C is The modulus is at least about 70% of the storage modulus at 70°C. ),oh and (1+2.5v+14.1v2)y poise [where y is 1×10 at 30℃ 5 or less, and 5 x 102 or more at 90°C, and v is the volume fraction of the filler. ] movement The product according to claim 1, wherein the composition exhibits primary blocking. Goods. 4. Claim 3 wherein said polymer gel is derived from a liquid low molecular weight polymer. Items listed. 5. Claims: The polymer gel has a slit between the edge of the hole and the edge of the shaped article. Articles described in box 1. 6. a shaped article having one or more holes extending at least partially therein; 1. A method of manufacturing, the method comprising: a) forming a circumference substantially corresponding to the desired dimensions of the shaped article; Selecting a mold with a hollow cylindrical structure that is closed at one end and; b) placing a liquid composition comprising a polymeric material capable of forming a gel in a mold. to obtain a shaped article with the desired structure; c) at least one cylindrical mandrel at least partially within the liquid composition; and d) displacing the polymeric material at a concentration of 30 to 400 (10 -1 mm) and an elongation of about 25 to about 850%. to expose oneself to such conditions as to obtain; the mold and mandrel are substantially incompatible with the shaped article; Dimensionally stable at gel-forming temperatures and at least 0 at 180° peel ．． at least about 4 x 103 with a peel rate from the gel composition of 0.2 in/sec. made at least in part from a relatively hard material having a flexural modulus of psi A shaped article is obtained having one or more holes extending therein, the number of holes being determined by the process. The method corresponds to the number of mandrels used in (c). 7. Claim 6, wherein the mold and/or mandrel material is a polymer. Production method. 8. The gel composition has an olefinic unsaturation content of 10% or less and is liquid and porous. an amount of liquid from about 20 to about 95% by weight based on the weight of the remer and a volume of 0 to 0.3 comprising a crosslinked non-silicone polymer having a fraction of filler dispersed therein; The crosslinked polymer is a) gelatinized when derived from a solid, relatively high molecular weight polymer; or b) a liquid relatively low molecular weight polyester. When derived from mer, it has at least about 0.1 crosslinks per weight average molecule. , the composition is (1+2.5v+14.1v2) x dynes/cm2 [where x is , 5x105 or less at 30°C, 5x102 or more at 90°C, and v is the volume of the filler. It is a fraction. ) storage modulus (however, the crosslinked polymer is a solid high molecular weight polymer) storage modulus at 140°C is the storage modulus at 70°C. at least about 70% of Jurus. ), and (1+2.5v+14.1v 2) y poise [where y is 1 x 105 or less at 30°C, 5 x 102 or more at 90°C and v is the filler volume fraction. ], and the composition has a dynamic viscosity of Manufacturing method exhibiting blocking. 9. Claim 8, wherein said polymer gel is derived from a liquid low molecular weight polymer. How to put it on. 10. Claims: The polymer gel has a slit between the edge of the hole and the edge of the shaped article. The manufacturing method according to item 8.